Virginia Credit Markets

Mitigation & Nutrient
Market Quarterly

Q0 Baseline Edition · July 2026

§404 Stream & Wetland Credit Markets · NPS Nutrient Credit Markets
Analytical window: 2021–2025 · Data as at: 19 June 2026

Published in partnership with

Foundational Partner Virginia Department of Environmental Quality

The Virginia Department of Environmental Quality (DEQ) is the state agency responsible for protecting Virginia's air, water, and land resources. DEQ administers the Virginia Water Protection Permit programme under which all stream and wetland compensatory mitigation obligations in this report are generated, and is the sole administering authority for Virginia's Chesapeake Bay nutrient credit exchange programme. SWaN is owned and operated by Water Ledger; DEQ selected Water Ledger through a public procurement process and accesses the platform under a commercial services contract, giving it operational visibility into the data that underpins this publication.

Infrastructure Partner Hedera

Hedera is a public distributed ledger built for enterprise use, providing the settlement and provenance infrastructure that underpins the SWaN platform's credit registry and transaction record. Hedera's hashgraph consensus mechanism provides transaction finality in seconds with low, predictable fees and a carbon-negative footprint — properties that align directly with the environmental integrity requirements of regulated credit markets. Water Ledger's integration with Hedera enables tamper-evident, auditable credit lifecycle records from issuance through retirement.

About SWaN

The Mitigation Market Quarterly is produced by Water Ledger and grounded analytically in SWaN — the Virginia Stream, Wetland, and Nutrient Credit Exchange. SWaN launched on 15 December 2025 and has been operationally active since January 2026. It is owned and operated by Water Ledger; Virginia DEQ provides operational and adoption support to SWaN under a commercial services contract with Water Ledger.

SWaN integrates data from three sources: RIBITS (the USACE Regulatory In-lieu fee and Bank Information Tracking System), the Virginia DEQ permit system, and eVA (Virginia's public procurement system). This combination of regulatory, permitting, and procurement data in a single platform provides the most comprehensive single view of the Virginia credit market available to any analyst in this jurisdiction.

As at 19 June 2026, registered participants on SWaN are associated with 61% of §404 bank operators on the sell side and 56% of stream and wetland permits on the buy side — representing 54% of outstanding stream credit obligations and 80% of outstanding wetland credit obligations. On the nutrient side, registered participants are associated with 64% of nutrient bank operators on the sell side and 21% of VAR10 permit holders on the buy side, accounting for 21% of recorded phosphorus credit purchase volume. The lower buy-side figure on the nutrient side reflects the character of the VAR10 permit universe: 2,425 permits distributed across a large and dispersed population of construction-activity stormwater permit holders, the majority of whom have small, one-time obligations from individual project sites and limited ongoing need to engage with a trading platform.

The structural independence of SWaN's operator matters analytically. Water Ledger is not a participant in Virginia's credit markets: it holds no credits, operates no mitigation banks, and has no commercial interest in the outcome of any transaction. This distinguishes SWaN from platforms operated by market participants — whose operators have a direct stake in market outcomes — and from regulator-operated systems, where the platform operator is also responsible for permitting and compliance decisions. Water Ledger's role is to provide the infrastructure the market runs on, and nothing else.

About DEQ

The Virginia Department of Environmental Quality (DEQ) is one state agency responsible for protecting Virginia's air, water, and land resources. DEQ administers the Virginia Water Protection Permit program under which all stream and wetland compensatory mitigation obligations in this report are generated, and is the sole administering authority for Virginia Pollution Discharge Elimination System (VPDES) Program permits under which permittees may be required to offset nutrient runoff through the purchase of phosphorus, nitrogen, and sediment credits. DEQ's key interest is ensuring access to transparent, consistent, and accurate credit data for credit purchasers, mitigation sponsors, and citizens of the Commonwealth. DEQ funded the development of SWaN after a competitive Request for Proposals (RFP) process, resulting in awarding the contract to Water Ledger. DEQ continues to work with Water Ledger to improve the function and data available on SWaN for market analysis.

Virginia in Context

Environmental credit markets in the United States operate at the state level. Credits may only be used within defined geographic service areas, meaning that each state-level jurisdiction constitutes a distinct market — not a subdivision of a single national one. Virginia is one of approximately 50 such jurisdictions.

Stream and wetland compensatory mitigation — the market created by Section 404 of the Clean Water Act — is the oldest and largest environmental credit market in the United States. BenDor, Kwon and Lester (2023) estimated the industry's 2019 annual revenues in excess of $3.5 billion in direct economic impact, with total output including indirect and induced effects exceeding $9.6 billion. This estimate covers stream and wetland compensatory mitigation only; Virginia's nutrient credit market is a structurally distinct instrument and is not captured in these figures.

Virginia operates two concurrent credit markets. Stream and wetland credits are governed by a dual state-federal regime: federally under Section 404 of the Clean Water Act and the 2008 Compensatory Mitigation Rule (33 CFR 332), and at state level under the Virginia Water Resources and Wetlands Protection Program and the Virginia Water Protection Permit Regulation (9 VAC 25-210). Nutrient credits are governed primarily by Virginia state legislation — the Stormwater Management Act and the Chesapeake Bay Watershed Nutrient Credit Exchange Program — and are tied directly to Virginia's obligations under the Chesapeake Bay Total Maximum Daily Load (TMDL) programme. These are different markets, operating under different regulatory frameworks, and they are analysed separately in this publication.

What MNM Q0 Is — and What It Is Not

This edition is a baseline. MNM Q0 establishes the foundational market record — the bank register, permit obligations, transaction history, observable price data, and regulatory framework — against which every subsequent edition will be measured. From Q1 onwards, direct comparison becomes the analytical engine: what changed, what matters, and what that implies for participants.

The data infrastructure available at Q0 is real but imperfect, and this constrains what can be claimed throughout the report. Commercial credit prices are observable for fewer than 0.3% of stream and wetland trades in Virginia, and all four price observations in the 2021–2025 analytical window derive from public procurement (eVA) records. No private commercial price observations are present within the analytical window. Transaction records are incomplete in places, and some organisations operate under multiple entities. These are structural features of the market rather than anomalies and are identified explicitly where they affect specific analytical claims.

Where data is not available, it is treated as either unobserved but determinable, structurally unobservable within the current system architecture, or temporally unknown. This distinction is maintained throughout and determines where bounded inference is possible and where it is not.

This publication does not exist to characterise the health or direction of Virginia's credit markets. It exists to describe them accurately, to identify what is known and what is not, and to give participants — buyers, sellers, regulators, and capital allocators — a more reliable basis for decision-making than is otherwise available.

How to Read This Report

The report is structured in two parallel market chapters: Stream and Wetland (Section 01) and NPS Nutrient Credits (Section 02). Each follows the same six-section sequence — Market Base, People, Products, Price, Rules, and Outlook. A cross-market analysis (Section 03) addresses the interaction between the two markets. The Executive Summary, drafted from the body sections, should be read as a starting point, not a substitute for them.

Throughout the report, analytical claims are grounded in one of five evidence types: observed (directly visible in the data), derived (calculated from the data with a documented method), directional (a pattern supported by available data but not fully verified), speculative (informed judgment not directly anchored in data), or implied (statements logically required given observed data, regulatory rules, and definitional constraints). Directional claims are bounded explicitly, speculative claims are labelled as such, and implied claims are used to complete the analytical structure where inference is deductive rather than empirical. Where the data does not support a claim, the claim is not made.

Sources cited in this section

BenDor, T.K., Kwon, J. and Lester, T.W. (2023). Assessing the size and growth of the US wetland and stream compensatory mitigation industry. PLOS ONE, 18(9): e0285139.

Virginia Code §62.1-44.19:12 — Chesapeake Bay Watershed Nutrient Credit Exchange Programme.

Virginia Code §§62.1-44.15:20–23.1 — Virginia Water Resources and Wetlands Protection Program.

9 VAC 25-210 — Virginia Water Protection Permit Regulation.

33 CFR 332 — Compensatory Mitigation for Losses of Aquatic Resources (2008 Rule).

Seven structural findings — click any card to jump to the relevant section

Finding 1

Non-tidal wetland credits face structural shortage: 0.41× commercial coverage of outstanding obligations, rising to only 0.60× with ILF backstop.

→ Section 01.2 Products

Finding 2

ILF advance credit share grew from 7.8% to 22.1% of S&W trades (2021–2025), signalling binding commercial supply constraints under 33 CFR 332.3(b).

→ Section 01.3 Price

Finding 3

Commercial prices observable for <0.3% of S&W trades. All four in-window observations are eVA public procurement records. No private commercial prices visible.

→ Section 01.3 Price

Finding 4

S&W market minimum value floor: $292.5M over 2021–2025 ($58.5M/year). ILF advance fee schedule provides the regulatory pricing anchor.

→ Section 01.3 Price

Finding 5

NPS phosphorus price observability: 0.56% (45 of 8,023 trades). 9.5× price range ($3,872–$36,750/lb P). No regulatory price floor mechanism exists.

→ Section 02.3 Price

Finding 6

NPS demand-side data gap: credit obligations are held in ~90 local VESMP SWMPs with no central register. Supply-demand balance is not assessable.

→ Section 02.0 Market Base

Finding 7

168 organisations are active buyers in both markets. The same project creates §404 and VAR10 obligations simultaneously — no substitution possible.

→ Section 03.1 Interaction

All Findings

The Executive Summary presents all seven structural findings with source links to the relevant sections.

→ Executive Summary

The Virginia stream and wetland credit market and the NPS nutrient credit market are structurally distinct, operate under separate regulatory frameworks, and are analysed separately throughout this report. They are also complements, not substitutes: a developer whose project impacts a stream and increases impervious surface within the Chesapeake Bay watershed needs both types of credit. 168 organisations are active buyers in both markets in the 2021–2025 analytical window, confirming the dual-obligation nature of large-scale construction activity in Virginia.

Finding 1 · Supply-Demand Imbalance

Supply-demand imbalance is product-specific and geographically acute. Stream credits are in approximate aggregate balance (1.02× commercial coverage of outstanding obligations), but this does not imply fulfilment capability, as credits are constrained by service area and product class. Severe geographic mismatches persist, with the Mid Potomac-Anacostia-Occoquan watershed carrying only 0.08× coverage. Non-tidal wetland credits face a structural shortage: 0.41× commercial coverage, rising to only 0.60× with the ILF backstop included, indicating that a substantial proportion of obligations cannot be met under current supply conditions, with 96.2% of obligations remaining unfulfilled.

→ Section 01.2 Products for full supply-demand analysis

Finding 2 · Advance Credit Signal

The growth in ILF advance credit purchases — from 7.8% of combined stream and wetland trades in 2021 to 22.1% in 2025 — is the most significant observable trend in the stream and wetland market. Under the regulatory preference hierarchy (33 CFR 332.3(b)), advance credits are utilised only where commercial credits cannot be sourced within the relevant service area. This trend therefore reflects binding commercial supply constraints in the affected service areas.

→ Section 01.3 Price for advance credit analysis and Chart SW-2

Finding 3 · Price Transparency (S&W)

Price transparency is structurally limited in both markets. All four observable prices in the stream and wetland analytical window are from eVA public procurement records; there are no private commercial price observations within the window. The NPS nutrient market has marginally higher observability (0.56% of phosphorus trades) but is similarly dominated by public sector eVA records. Neither market has a functioning price discovery mechanism.

→ Section 01.3 Price · Section 02.3 Price

Finding 4 · Market Value Floor

Both markets have estimable minimum value floors. The S&W floor rests on the ILF advance fee schedule — a regulatory mechanism — and totals $292.5M over 2021–2025 ($58.5M/year). The NPS floor rests on a statistical extrapolation from the eVA price record and totals approximately $180M ($36M/year). The combined floor of $472.5M is a minimum; actual market value is higher in both cases.

→ Section 03.3 Structural Differences and Chart XM-1

Finding 5 · NPS Sell-Side Concentration

Sell-side concentration in the NPS nutrient market is high and increasing. Resource Environmental Solutions, LLC (via CBAY-VA, LLC) and NERD Farms, LLC together account for approximately 58% of observable phosphorus trades. RES is also active in the S&W market's sell-side register (Table 6), making it a cross-market concentration factor rather than an NPS-specific one. The Eco-Cap/Canopy POC pattern — two Gmail contacts registered against 131 banks (34.7% of the NB register) — means administrative concentration may be even higher than trade-volume analysis suggests, though economic relationships cannot be determined from available data.

→ Section 02.1 People

Finding 6 · NPS Demand Data Gap

The most significant analytical constraint in the NPS nutrient market is the absence of consolidated demand data. Credit obligations are recorded in Stormwater Management Plans (SWMPs) held by approximately 90 local VESMP authorities and are not consolidated in any accessible registry. SWaN records what has been purchased but has no visibility into what is required. Supply-demand balance in the NPS market is therefore not assessable from available data. This is a structural feature of the regulatory framework, not a data collection failure.

→ Section 02.0 Market Base

Finding 7 · Cross-Market Dual Obligations

168 organisations are active buyers in both markets in the 2021–2025 analytical window. The same project — road construction, utility corridors, residential development — creates §404/VWP stream and wetland impacts and VAR10 nutrient load increases simultaneously. VDOT's profile is the most illustrative: 29 S&W trades and 1,050 NPS records in the window. There is no substitution between the two types of obligation; both must be fulfilled independently.

→ Section 03.1 Substitution & Interaction and Chart XM-2

General Findings

The Virginia stream and wetland credit market and NPS nutrient credit market share more structural features than their regulatory separation suggests. Both are bilateral, illiquid markets with low price transparency, high sell-side concentration, significant buy-side opacity, and demand-side data limitations. Both serve the same broad population of large-scale infrastructure and development actors. Neither has a functioning price discovery mechanism in the conventional sense.

The primary structural distinctions are the regulatory architecture (dual state-federal versus state-only), the availability of a systematic price reference (ILF advance fee schedule in S&W; none in NPS), the observability of demand (partially visible in S&W; entirely invisible in NPS), and the service area framework (HUC8-bounded in S&W; planning unit-flexible in NPS). These differences have direct consequences for analytical depth: the S&W market permits supply-demand balance analysis; the NPS market does not.

197§404 mitigation banks (commercial)

115Virginia ILF sites (two programmes)

309Permits with outstanding obligations

1,856Total S&W trades, 2021–2025

Credit Supply

As at 19 June 2026, 197 §404 mitigation banks are registered in Virginia, of which 179 are open-market commercial banks and 18 are single-client captive banks (a subset of the 197, not additional to it). A further 115 sites operate under Virginia's two ILF programmes. The 197 §404 banks plus 115 ILF sites total 312 registered supply sources across all categories. Single-client captive credits are excluded from market-available supply regardless of utilisation status.

Category	Active	Sold Out	Pending	Suspended	Total
Commercial banks — open market (classified by credit inventory)
Stream	26	7	—	1	34
Wetland (Non-Tidal, Tidal, Subaqueous, Oyster Reef)	31	22	3	1	57
Stream & Wetland	46	12	—	—	58
Other / unclassified ^‡	7	—	40	1	48
Memo: single-client captive banks
Single-client (VDOT, City of VA Beach, etc.) ^§	—	—	—	—	18
ILF programmes
VARTF (TNC-administered)	—	—	—	—	73
Coastal Virginia Conservancy / LRRT	—	—	—	—	4
Other ILF sites	—	—	—	—	38
Total §404 banks	110	41	43	3	197
Total ILF sites (two programmes)					115

^‡ "Other / unclassified" covers banks with no credit inventory recorded in SWaN at all (predominantly Pending banks awaiting initial credit release), so product type cannot be determined for this group from files available at time of writing. This is distinct from the Wetland row above, which includes Tidal, Subaqueous, and Oyster Reef banks alongside Non-Tidal — all are Wetland-class products and their status/product type is fully determinable from the register. ^§ Single-client is a cross-cutting Bank Type flag, not a separate product category — these 18 banks are already counted within the rows above and are shown here for reference only; they are not additional to the 197 total.

Table 1. §404 mitigation bank register by category and status, Virginia, as at 19 June 2026. Source: SWaN bank register.

Map 1

Approved Commercial §404 Mitigation Banks per HUC8

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

Bubble size ∝ bank count. Single-client banks excluded. Source: SWaN bank register.

Each credit product is measured in its own unit. Stream credits are measured in linear feet; non-tidal wetland credits in acres; tidal wetland credits in square feet (1 credit = 1 sq ft, confirmed via RIBITS bank listings) — a finer-grained unit than the acre-denominated products, not directly comparable without conversion; subaqueous and oyster reef credits in acres.

Credit product	Available — market	Unit
Commercial bank credits — open market
Stream	143,470	LF
Non-Tidal Wetland	731.62	Acres
Tidal Wetland	212,593	Sq Ft
Subaqueous Wetland	15.245	Acres
ILF advance credits — second purchase preference (33 CFR 332.3(b))
Advanced Stream	281,936	LF
Advanced Non-Tidal Wetland	360.73	Acres
Advanced Tidal Wetland	11	Acres
Advanced Subaqueous	49.930	Acres
Advanced Oyster Reef	1.510	Acres

Table 2. Market-accessible credit availability by product, as at 19 June 2026. Commercial bank and ILF advance credits only; single-client captive credits excluded. Tidal Wetland figure is in square feet (see Section 01.2 note); Advanced Tidal Wetland (11) is genuinely in acres, sourced from ILF programmes. Source: SWaN credit inventory.

Demand Drivers

Demand for stream and wetland mitigation credits is generated by §404 permits issued under the Clean Water Act and Virginia Water Protection (VWP) permits issued under Virginia state law. Each permit that authorises impacts to streams or wetlands specifies a compensatory mitigation requirement expressed as a quantity of credits to be purchased. 309 permits carry outstanding stream or non-tidal wetland credit obligations as at the baseline date.

Credit product	Required	Fulfilled	Outstanding	% Unfulfilled
Stream (LF)	166,179	25,297	140,882	84.8%
Non-Tidal Wetland (acres)	1,871.4	71.6	1,799.8	96.2%
Tidal Wetland	None recorded			—
Subaqueous Wetland	None recorded			—

Table 3. Permit credit obligations by product, as at 19 June 2026. Source: SWaN permit and inventory data.

Data quality flag: 112 stream permits (85,823 LF) and 176 non-tidal wetland permits (1,485.0 ac) carry a recorded issue date of 1970-01-01, almost certainly representing null or missing date values rather than actual 1970 permits. Watershed (HUC8) attribution for these permits is consistent with the rest of the register and has been retained in the geographic distribution below; only the issue date itself is unreliable.

Geographic Distribution

Outstanding permit obligations are distributed across 30 watersheds. Concentration is highest in the Potomac watershed system of Northern Virginia and in central Virginia, consistent with development pressure patterns. The ten most active watersheds by stream volume account for approximately 86% of stream outstanding obligations; the ten most active by wetland volume account for approximately 97% of non-tidal wetland outstanding obligations.

Table 4a. Outstanding permit obligations by watershed, ranked by stream volume
Watershed	HUC8	Stream outstanding (LF)	Non-Tidal Wetland (ac)
Middle Potomac-Catoctin	2070008	29,430	1,129.00
Middle Potomac-Anacostia-Occoquan	2070010	19,227	36.07
Appomattox	2080207	16,295	67.11
Rapidan-Upper Rappahannock	2080103	14,232	7.87
Pamunkey	2080106	11,812	37.49
Nottoway	3010201	9,484	15.52
Lower James	2080206	7,271	233.42
Mid James-Willis	2080205	5,051	29.97
Lower Rappahannock	2080104	4,481	8.07
Lower Potomac	2070011	4,270	0.33
Other (21 watersheds)	—	19,329	234.93
Total	—	140,882	1,799.8

Table 4a. Outstanding permit obligations by watershed, as at 19 June 2026, ranked by stream volume. Source: SWaN permit data; watershed names from USGS Watershed Boundary Dataset.

Table 4b. Outstanding permit obligations by watershed, ranked by non-tidal wetland volume
Watershed	HUC8	Stream outstanding (LF)	Non-Tidal Wetland (ac)
Middle Potomac-Catoctin	2070008	29,430	1,129.00
Lower James	2080206	7,271	233.42
Meherrin	3010205	0	111.34
Lynnhaven-Poquoson	2080108	1,156	71.03
Appomattox	2080207	16,295	67.11
Pamunkey	2080106	11,812	37.49
Middle Potomac-Anacostia-Occoquan	2070010	19,227	36.07
Mid James-Willis	2080205	5,051	29.97
Hampton Roads	2080208	1,879	23.63
Nottoway	3010201	9,484	15.52
Other (21 watersheds)	—	39,277	45.20
Total	—	140,882	1,799.8

Table 4b. Outstanding permit obligations by watershed, as at 19 June 2026, ranked by non-tidal wetland volume. Source: SWaN permit data; watershed names from USGS Watershed Boundary Dataset.

Map 2

Outstanding Stream Credit Obligations by HUC8 (Linear Feet)

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

140,882 LF total. Source: SWaN permit data.

Map 3

Outstanding Non-Tidal Wetland Obligations by HUC8 (Acres)

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

Commercial supply 731.6 ac covers 0.41× of 1,799.8 ac outstanding. Source: SWaN permit data.

Market Activity

1,856 trades were recorded across the 2021–2025 analytical window across nine credit products. Volume is reported at the product level, where units are internally consistent. Volume cannot be aggregated across products.

Credit product	2021	2022	2023	2024	2025	Total	Total volume 2021–25
Stream	120	108	113	122	118	581	342,785 LF
Non-Tidal Wetland	227	225	205	165	148	970	1,363 acres
Tidal Wetland	9	9	8	11	20	57	57,045 sq ft¹
Subaqueous Wetland	0	0	0	0	0	0	—
Advanced Stream	11	27	28	24	30	120	69,079 LF
Advanced Non-Tidal	17	9	10	26	45	107	81 acres
Advanced Tidal	2	3	5	5	6	21	2.9 acres
Total	386	381	369	353	367	1,856	—

Table 5. Trades and volume by credit product, Virginia stream and wetland credit market, 2021–2025. ¹ Tidal wetland volume is in square feet (1 credit = 1 sq ft, confirmed via RIBITS bank listings), not acres; not comparable to acre-denominated non-tidal wetland volume. Advanced Tidal volume (2.9) is genuinely in acres — it derives entirely from the VARTF/ILF programme, which uses the same acre-based convention as other wetland products. Source: SWaN transaction record.

Chart SW-1

Stream Credits: Stable Trade Count, Collapsing Trade Size

Annual trade count (left axis) and average linear feet per trade (right axis), 2021–2025. Stable trade frequency masking a 43% decline in average trade size is consistent with buyers sourcing smaller residual parcels as supply tightens in constrained service areas.

Annual trade count (left axis)

Avg LF per trade (right axis)

Source: SWaN transaction record, Water Ledger. Finalised trades, stream credits only (commercial + ILF advance combined — see Table 5 for the disaggregated breakdown).

Trade counts and volumes tell materially different stories for stream credits. Trade counts are broadly stable (108–122 per year) but total stream volume declined 48% over the window: from 106,739 LF in 2021 to 55,095 LF in 2025. The average stream credit trade fell from approximately 890 LF per trade in 2021 to 467 LF in 2025. Stable trade frequency masking sharply declining individual trade size is consistent with buyers sourcing smaller parcels as supply tightens in constrained service areas.

Non-tidal wetland volume decline (248 acres in 2021 to 159 acres in 2025, a fall of 36%) tracks the trade count decline closely: average trade size held at approximately 1.1 acres per trade throughout the window. The volume fall reflects fewer trades, not smaller trades, consistent with supply withdrawal by a major operator rather than a change in buyer behaviour. The primary evidence is the near-withdrawal of Chesapeake Wetland Mitigation Bank, LLC — 153 commercial non-tidal trades in the window, accounting for 9.5% of all commercial trades — whose reduced market activity directly corresponds with the trade count decline. Chesapeake Wetland Mitigation Bank, LLC is a Resource Environmental Solutions (RES) entity, meaning this is a supply decision by a large multi-state operator with other active Virginia banks (see Table 6), not the exit of an independent single-bank operator from the market. Whether the reduction reflects credit exhaustion at this specific bank, a deliberate reallocation of RES supply elsewhere, or another cause cannot be determined from available data.

Advanced non-tidal wetland volume grew from 12.9 acres in 2021 to 35.2 acres in 2025 (173% growth), tracking the 165% growth in trade count. Growth in both advance trades and advance volume against declining commercial non-tidal volume reinforces the structural supply shortage finding addressed in Section 01.2.

Sell Side — Bank Operators

Analysis of market participants on the sell side must be conducted at organisation level, not bank level. Multiple separately-named banks are often operated by the same organisation; analysis at the bank level overstates the number of independent market actors and understates ownership concentration. Treating each bank as an independent supply source misrepresents the structure of supply. This risk is not merely theoretical: Chesapeake Wetland Mitigation Bank, LLC and Resource Environmental Solutions, LLC (Table 6) are commonly controlled but registered as separate entities in the SWaN bank register, and were identified as such only through external corporate-registry cross-referencing, not from SWaN data itself. Other apparently-independent operators in Table 6 may be similarly affiliated without this being identifiable from available data.

The Virginia stream and wetland credit market on the sell side is served by a small number of organisations operating multiple banks, alongside a larger number of single-bank operators. Across the 2021–2025 analytical window, the top five commercial operators account for approximately 39% of commercial stream and wetland trades. The top ten account for approximately 61%. The market is moderately concentrated: not dominated by a single operator, but supply is not broadly distributed across an independent network of bank sponsors either.

Operator organisation	Banks operated	Trades (all years)	Notes
Commercial operators — open market
Falling Spring LLC	13	962	Multi-watershed; stream and wetland
Saunders & Ojeda, P.C.	4	478	Environmental services; stream focus
Cedar Run Wetlands, LC	2	452	Non-tidal wetland specialist
Clearwater Ventures LLC	10	330	Multi-watershed; stream and wetland
Northern Virginia Stream Restoration, LC	1	329	Concentrated in Potomac watersheds
Byrd Creek, LLC	3	235	Stream and wetland
Davey Resource Group, Inc.	5	465	Multi-watershed; stream and wetland
Resource Environmental Solutions, LLC ^†	7	754	Near-withdrawal observed (via Chesapeake Wetland Mitigation Bank, LLC) — dominant driver of NTW volume decline. Combines Chesapeake Wetland Mitigation Bank, LLC (1 bank, 242 trades) with RES's directly-named entity (6 banks, 512 trades) — see note below.
Single-client operators — captive supply
Virginia Department of Transportation (VDOT)	11	127	Stream; 7,975 LF captive available
City of Virginia Beach	2	21	Tidal wetland; ~142,450 ac captive
ILF programmes
Virginia Aquatic Resources Trust Fund (VARTF)	73	1,327	97% of Virginia ILF sites; all products
Coastal Virginia Conservancy / LRRT	4	2	Tidal wetland; Hampton Roads port area

Table 6. Sell-side operator organisations, Virginia stream and wetland credit market. Trade counts cover all years in the SWaN transaction record. Source: SWaN transaction record and bank register.

Affiliation note (^†): Chesapeake Wetland Mitigation Bank, LLC and Resource Environmental Solutions, LLC are commonly controlled. Virginia SCC entity records list a Houston, TX mailing address for both, and RES's own project pages identify Chesapeake Wetland Mitigation Bank as an RES project. The two are combined here as a single operator; they are shown separately in the SWaN bank register and were treated as independent sellers elsewhere in this report prior to this correction.

Chart A

Sell-Side Concentration — S&W Commercial Trades, 2021–2025

Rectangle area proportional to trade count. Hover any block for operator detail. Chesapeake Wetland MB sub-bars show annual trade trajectory 2021→2025. VARTF shown separately — ILF advance credits are a distinct second-preference product class.

Multi-product operator (stream + wetland)

Stream-focused operator

Multi-watershed operator

Other identifiable operator

Long tail (~55 operators, 49.8%)

VARTF ILF advance (separate class)

Source: SWaN transaction record, Water Ledger. n=1,608 commercial trades.

Chart A — Treemap. S&W commercial sell-side market share by operator organisation, 2021–2025. Chesapeake Wetland MB's near-withdrawal (56→4 trades/yr) is the primary driver of the 36% NTW volume decline. Chesapeake Wetland Mitigation Bank, LLC is a Resource Environmental Solutions entity (see Table 6 note). Entity-level analysis understates beneficial ownership concentration.

Concentration

Operator organisation	Trades 2021–25	Market share	Stream	Non-Tidal
Chesapeake Wetland Mitigation Bank, LLC ^†	153	9.5%	0	153
Clearwater Ventures LLC	150	9.3%	84	66
David Jordan	118	7.3%	44	74
Byrd Creek, LLC	87	5.4%	61	26
Northern Virginia Stream Restoration, LC	72	4.5%	40	32
GDS, LLC	66	4.1%	0	66
Falling Spring LLC	53	3.3%	36	17
Other identifiable sellers	869	54.0%	—	—
Total commercial S&W trades 2021–25	1,608	100%

Table 7. Commercial stream and wetland sell-side market share by operator, 2021–2025. Advance credit trades (VARTF) are excluded. Source: SWaN transaction record.

Affiliation note (^†): Chesapeake Wetland Mitigation Bank, LLC is a Resource Environmental Solutions (RES) entity (see Table 6 note). RES's directly-named entity does not appear separately in this 2021–2025 window — its trades in this period, if any, sit within "Other identifiable sellers" below and cannot be isolated from available data. RES's true combined 2021–2025 market share is therefore at least 9.5% and likely higher.

Buy Side — Permit Holders

The buy side is characterised by a persistent core of large organisations with ongoing infrastructure programmes alongside a broader population of periodic and single-project buyers. A notable and growing segment is the technology sector: Amazon Data Services and Microsoft Corporation each appear in the top fifteen buyers in the 2021–2025 window, reflecting data center construction in Northern Virginia.

Organisation	Trades 2021–25	Typology / Notes
Persistent buyers — consistent multi-year activity
Dominion Energy	78	Utility; power infrastructure and transmission corridors
Chesterfield County	44	County government; road and infrastructure programmes
Henrico County	30	County government; road and infrastructure programmes
Virginia Dept. of Transportation (VDOT)	29	Also single-client bank operator; commercial buying confirms captive banks do not satisfy all obligations
City of Virginia Beach	21	Municipal government; coastal and infrastructure projects
Prince William County	15	County government; high-growth Northern Virginia jurisdiction
Loudoun County	11	County government; highest-growth Virginia jurisdiction
Periodic buyers — project-pipeline driven activity
Amazon Data Services Inc.	29	Technology sector; data center construction in Northern Virginia
Stanley Martin Companies	29	Residential developer
Shirley Contracting Co.	23	Commercial and infrastructure contractor
Microsoft Corporation	13	Technology sector; data center construction in Northern Virginia

Table 8. Key buy-side organisations, Virginia stream and wetland credit market, 2021–2025. Source: SWaN transaction record.

Market Transparency

The Virginia stream and wetland credit market operates without mandatory price reporting, public trade disclosure, or beneficial ownership transparency on either the buy or sell side. This is a structural feature of the market, not a data gap. 880 of 1,856 trades in the 2021–2025 window — 47.4% — carry no buyer matched to the permit registry. This reflects a reconciliation gap, not an absence of a buyer.

Market opacity note: Two of the four commercial transactions in the analytical window with observable prices show Thompson Place Farm LLC as both buyer and seller — not arm's-length transactions. They appear in a data source designed to create price transparency but represent internal transfers. The "transparent" segment of the market is itself partially opaque.

Sources cited in this section

SWaN transaction record and bank register. Water Ledger, as at 19 June 2026.

Credit Types

The Virginia stream and wetland credit market comprises five distinct credit products. These products are not interchangeable: a permit obligation for stream credits cannot be satisfied by wetland credits. Supply-demand analysis must be conducted at the product level.

Supply-Demand Alignment by Product

Product	Market available	Outstanding obligation	Coverage	ILF backstop available
Stream	143,470 LF	140,882 LF	1.02×	281,936 LF
Non-Tidal Wetland	731.62 acres	1,799.8 acres	0.41×	360.73 acres
Tidal Wetland	212,593 sq ft	None recorded	n/a	11 acres
Subaqueous	15.245 acres	None recorded	n/a	49.930 acres
Oyster Reef	—	None recorded	n/a	1.510 acres

Table 9. Supply-demand by credit product, as at 19 June 2026. Coverage = commercial market available ÷ outstanding obligations. Tidal Wetland market-available figure is in square feet (1 credit = 1 sq ft, confirmed via RIBITS); ILF backstop (11) is genuinely in acres, sourced from the VARTF programme. Source: SWaN.

Chart SW-3

Non-Tidal Wetland: Annual Trade Decline Against Structural Supply Shortage

Annual commercial NTW trades (bars, left axis). The red band marks the 0.41× aggregate commercial coverage zone — the market context within which this trade-count decline is occurring. Near-universal red on Map 6 reflects the structural supply shortage geographically.

Source: SWaN transaction record; credit inventory and permit data.

Chart B

Supply vs Outstanding Obligations by Watershed — Stream & Non-Tidal Wetland

Bars centred on zero: supply extends left, obligations extend right. Left-heavy = surplus; right-heavy = deficit. Hover any row for watershed detail. Service area constraints mean aggregate balance is not available balance.

Stream Credits (Linear Feet)

Non-Tidal Wetland Credits (Acres)

Stream available supply

NTW available supply / surplus watershed

Outstanding obligations (deficit)

Near-balance (0.8–1.2×)

Source: SWaN credit inventory and permit data, Water Ledger. As at 19 June 2026.

Chart B — Diverging bar. Commercial credit availability (left) vs outstanding permit obligations (right), centred on zero, by HUC8 watershed. Aggregate stream balance (1.02×) masks severe geographic variation; Mid Potomac-A-O carries only 0.08× coverage. NTW is in structural deficit in 9 of 12 watersheds shown.

Stream credits are in approximate aggregate balance at the current date: 143,470 LF of commercial credits available against 140,882 LF of outstanding obligations (1.02× coverage), but this does not imply fulfilment capability. This aggregate balance masks significant geographic variation. The Middle Potomac-Anacostia-Occoquan watershed carries only 0.08× coverage — essentially no commercial stream supply against 19,227 LF of outstanding obligations. In contrast, several watersheds in central and southwest Virginia hold surplus supply of roughly 2× to over 16× coverage.

Map 5

Stream Credit Supply-Demand Coverage Ratio by HUC8

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

Aggregate 1.02× masks severe geographic variation (Mid Potomac-A-O: 0.08×). Source: SWaN.

Non-tidal wetland credits present a structurally different condition. Commercial market availability stands at 731.62 acres against 1,799.8 acres of outstanding obligations — 0.41× coverage. Even incorporating the ILF advance backstop (360.73 acres) raises combined coverage to only 0.60×. This is the most significant supply-side finding in this baseline.

Map 6

Non-Tidal Wetland Supply-Demand Coverage by HUC8

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

0.41× commercial; 0.60× with ILF backstop — still short. Source: SWaN.

Geographic Distribution and Service Areas

Credits may only be used within the geographic service area designated in the relevant MBI. A bank holding available stream credits in the Upper Roanoke watershed cannot satisfy a permit obligation in the Lower Potomac watershed.

Product	1st watershed	2nd watershed	3rd watershed	4th watershed	5th watershed
Stream	Mid. Potomac-Catoctin (108)	Mid. Potomac-A-O (102)	Lower James (75)	Appomattox (72)	Mid. James-Willis (37)
Non-Tidal Wetland	Lower James (167)	Mid. Potomac-A-O (117)	Mid. Potomac-Catoctin (103)	Meherrin (90)	Hampton Roads (89)
Tidal Wetland	Hampton Roads (22)	Lower James (16)	Lynnhaven-Poquoson (15)	—	—
Advanced Stream	Lower Potomac (30)	Lower James (23)	Hampton Roads (13)	Mid. Potomac-A-O (8)	Conococheague-Op. (7)
Advanced Non-Tidal	Appomattox (24)	Lower James (20)	Hampton Roads (13)	Conococheague-Op. (11)	Mid. James-Willis (6)

Table 10. Top five watersheds by trade volume for each credit product, 2021–2025. Trade counts in parentheses. Source: SWaN transaction record.

Market Structure and Minimum Value

The Virginia stream and wetland credit market operates across three structurally distinct segments, each with different levels of price transparency. The advance credit market is fully transparent: all 248 ILF advance credit trades in the 2021–2025 window carry verified transaction values totalling $53.8M. The public procurement market is partially transparent via Virginia's eVA system. The private commercial market — 1,409 bilateral trades — carries no observable price data. The advance credit price functions as a floor for the private commercial segment.

Market segment	Stream	Non-Tidal	Tidal	Total 2021–25	Annual avg
Advance credit market — actual (248 trades)	$45.3M	$7.1M	$1.4M	$53.8M	$10.8M
Public procurement — estimated (199 govt trades at 70% of advance)	$20.0M	$3.7M	$0.1M	$23.7M	$4.7M
Public procurement — observed eVA (4 transactions with price)	$0.8M	$0.2M	—	$1.0M	$0.2M
Private commercial — floor (1,409 trades, HUC8-specific advance price)	$176.7M	$36.7M	$0.7M	$214.0M	$42.8M
TOTAL MINIMUM FLOOR	$242.7M	$47.7M	$2.1M	$292.5M	$58.5M

Table 11. Minimum market value floor, Virginia stream and wetland credit market, 2021–2025. Advance: actual transaction values. Private floor: 1,409 unpriced commercial trades at HUC8-specific advance floor. Source: SWaN transaction record.

The total minimum floor is $292.5M over the 2021–2025 window ($58.5M/year). Stream credits dominate at $242.7M (83% of total). This is a floor, not a point estimate: actual market value is higher to the degree that commercial prices exceed advance prices in unconstrained service areas.

The geographic distribution of the floor shows Northern Virginia — Mid Potomac-Catoctin and Mid Potomac-Anacostia-Occoquan — accounting for approximately $127M (43% of total floor).

Watershed	HUC8	Advance actual	Commercial floor
Mid Potomac-Catoctin	2070008	$3.97M	$89.0M
Mid Potomac-Anacostia-Occoquan	2070010	$2.31M	$31.6M
Lower James	2080206	$6.22M	$20.9M
Upper Dan	3010103	$5.03M	$18.2M
Lower Potomac	2070011	$16.77M	$2.4M
Appomattox	2080207	$2.19M	$13.8M
Mid James-Willis	2080205	$0.92M	$8.3M
Pamunkey	2080106	$0.26M	$8.3M
Hampton Roads	2080208	$2.11M	$4.6M

Table 12. Market value floor by watershed, 2021–2025, advance actual and commercial floor combined. Source: SWaN.

Observable Commercial Prices

Commercial credit prices are observable for fewer than 0.3% of trades in the Virginia record — 16 transactions across the full available data, of which 4 fall within the 2021–2025 analytical window. All four commercial price observations in the window are from a single region.

Year	Product	Price per credit	Watershed	HUC8
Within 2021–2025 analytical window
2024	Stream	$422.50 / LF	New River	5050001
2023	Non-Tidal Wetland	$95,000 / acre	New River	5050001
2022	Stream	$425.00 / LF	New River	5050001
2021	Non-Tidal Wetland	$65,000 / acre	Upper Dan	3010103
Prior to analytical window — historical context
2020	Stream	$97.58 / LF	Upper Dan	3010103
2019	Tidal Wetland	$25.00 / unit¹	Lynnhaven-Poquoson	2080108
2019	Non-Tidal Wetland	$95,000 / acre	Lower Potomac	2070011
2018	Non-Tidal Wetland	$52,000 / acre	Lower James	2080206
2017	Stream	$186.00 / LF	Upper Roanoke	3010101
2016	Stream	$278.00 / LF	Upper Roanoke	3010101
2008	Stream	$514.95 / LF	Middle Potomac-Catoctin	2070008

Table 13. Observable commercial credit prices, Virginia stream and wetland market. ¹ Tidal wetland prices are per square foot (1 credit = 1 sq ft), confirmed via RIBITS bank listings; not comparable to non-tidal wetland acre pricing. Source: SWaN transaction record.

Observable Transaction Trends

Chart SW-2

ILF Advance Credits: Rising Share of Combined S&W Trades

Commercial (first-preference) versus ILF advance (second-preference) trades as shares of annual combined total, 2021–2025. Under 33 CFR 332.3(b), advance credits may only be purchased when commercial credits are unavailable in the relevant service area. This rising trend directly indicates tightening commercial supply constraints.

Commercial mitigation bank credits (1st preference)

ILF advance credits (2nd preference — used only where commercial unavailable)

Source: SWaN transaction record, Water Ledger. Finalised trades.

ILF advance credit trades grew from 30 in 2021 to 81 in 2025, rising from 7.8% to 22.1% of combined stream, wetland, and advance trades. Under 33 CFR 332.3(b), advance credits may only be purchased when commercial credits in the appropriate product and service area are unavailable. The sustained growth in advance credit purchases is therefore, by regulatory design, an indicator of increasing commercial supply constraints.

Watershed	HUC8	Advance trades 2021–2025
Lower James	2080206	43
Lower Potomac	2070011	30
Appomattox	2080207	30
Hampton Roads	2080208	26
Conococheague-Opequon	2070004	18
Lynnhaven-Poquoson	2080108	16
Lower Rappahannock	2080104	11
Other (20 watersheds)	—	75
Total	27 watersheds	249

Table 14. ILF advance credit trades by watershed, 2021–2025, all products combined. Source: SWaN transaction record.

Map 4

Commercial vs ILF Advance Credit Trades by HUC8, 2021–2025

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

Teal = commercial (1st preference). Orange = advance (used where commercial unavailable). Source: SWaN.

Federal Framework

RIBITS — the USACE Regulatory In-lieu fee and Bank Information Tracking System — is the federal system of record for mitigation bank instruments and credit transactions, and is a primary data source for this analysis. It is an operational regulatory database: designed to support the administration of individual permits, not to function as market infrastructure. Banks are required to register trades to RIBITS within seven days of completion, but there is published and anecdotal evidence that the registry is both inaccurate and not consistently current. RIBITS records each bank's contacts comprehensively but does not distinguish between ownership, management, brokerage, and advisory roles within those contacts — a structural limitation that directly constrains the ownership analysis in Section 01.1.

Stream and wetland compensatory mitigation in Virginia is governed primarily by Section 404 of the Clean Water Act (33 U.S.C. § 1344), which requires a permit from the US Army Corps of Engineers (USACE) for the discharge of dredged or fill material into waters of the United States. Permit conditions specify compensatory mitigation requirements where impacts cannot be avoided or minimised.

The regulatory framework for compensatory mitigation is established by the 2008 Final Rule on Compensatory Mitigation for Losses of Aquatic Resources (33 CFR Part 332; 40 CFR Part 230). The Rule establishes: the preference hierarchy for mitigation types; the requirements for mitigation banking instruments (MBIs); service area requirements for banks; and standards for credit release schedules tied to milestone-based ecological performance standards.

33 CFR 332.3(b) — Preference Hierarchy

The district engineer shall consider compensatory mitigation options in the following order of preference: (1) mitigation bank credits, when the permitted impact falls within the bank's approved service area and the bank has appropriate credits available; (2) in-lieu fee programme advance credits, when mitigation bank credits are not available; (3) permittee-responsible mitigation, when neither of the above can be secured. This preference hierarchy is the regulatory basis for treating ILF advance credits as a market backstop rather than a primary supply source.

Virginia State Framework

Virginia's state-level framework operates in parallel with the federal §404 regime. Virginia Water Protection (VWP) permits are issued by Virginia DEQ under the Virginia Water Resources and Wetlands Protection Program (Virginia Code §§62.1-44.15:20–23.1) and the Virginia Water Protection Permit Regulation (9 VAC 25-210). VWP permits are required for impacts to surface waters in addition to the federal §404 requirement where applicable.

For impacts requiring both a §404 permit and a VWP permit, compensatory mitigation must satisfy the requirements of both regulatory frameworks. The dual framework means that both USACE and Virginia DEQ must approve mitigation instruments and may each have jurisdiction over different aspects of a permit.

Mitigation Banking Instruments and Credit Release

Each approved §404 mitigation bank operates under a Mitigation Banking Instrument (MBI), a legally binding agreement between the bank sponsor, USACE, and other relevant agencies. The MBI defines the bank's service area, approved credit types and quantities, the credit release schedule tied to ecological performance milestones, financial assurances, and long-term management obligations.

In-lieu fee programme advance credits are sold pursuant to an approved ILF instrument, which functions analogously to the MBI for commercial banks. The ILF instrument specifies the programme's service area, types and quantities of advance credits available, the fee schedule, and the programme sponsor's obligations to undertake restoration works with the revenues received.

Sources cited in this section

33 CFR Part 332 — Compensatory Mitigation for Losses of Aquatic Resources (2008 Final Rule).

Virginia Code §§62.1-44.15:20–23.1 — Virginia Water Resources and Wetlands Protection Program.

9 VAC 25-210 — Virginia Water Protection Permit Regulation.

Structural Conditions

The most significant supply-side condition established at the Q0 baseline is the non-tidal wetland credit shortage. Available commercial supply (731.62 acres) covers only 41% of outstanding permit obligations (1,799.8 acres) at the aggregate level; adding the ILF advance backstop (360.73 acres) raises combined coverage to 60%. Even at the aggregate level — before service area constraints are applied — combined available supply is insufficient to satisfy outstanding non-tidal wetland obligations. The geographic concentration of outstanding wetland obligations in the Lower James, Potomac watersheds, and central Virginia further reduces the probability that available credits are co-located with the obligations they would need to satisfy.

Stream credit supply is in approximate aggregate balance at the current date (1.02× coverage), but this balance is narrow and geographically uneven. The substantial ILF advance stream backstop (281,936 LF) provides additional coverage in theory, but the regulatory preference hierarchy means commercial stream credits will be sought first.

Observable Forward Signals

The growth in ILF advance credit purchases — from 7.8% of combined trades in 2021 to 22.1% in 2025 — is the most significant trend observable in the transaction record. By regulatory design, this trend indicates that commercial credit availability in the affected service areas has declined relative to permit demand over the period. The concentration of advance credit activity in the Lower James, Lower Potomac, and Appomattox watersheds identifies these as the geographic areas of greatest current commercial supply constraint.

The emergence of the technology sector as a significant market participant — with Amazon Data Services and Microsoft Corporation appearing among the top fifteen buyers in the 2021–2025 window — represents a demand shift not fully captured by the historical permit register. Data center construction in Northern Virginia generates substantial impervious surface and associated stream and wetland impacts. If this pipeline continues, it will add material demand in the Northern Virginia Potomac watersheds, which already carry the highest outstanding stream obligations in the register.

Constraints and Unknowns

The MBI credit release schedules for both approved and pending banks are held in individual instruments that are not programmatically available in aggregate; actual release depends on the pace of restoration works and milestone achievement, neither of which is observable from available data. The pending pipeline (40 commercial banks) represents potential future supply, but neither its timing nor aggregate quantity can be determined from these records.

Credits are identified prior to a permit application through a letter of credit availability, which a bank may issue to multiple permit applicants against the same credits simultaneously. A single parcel of available credits may therefore underlie multiple pending permit applications; the demand visible in the permit register may both overstate what will ultimately need to be purchased and concentrate on a subset of available supply in ways that are not observable from the permit record alone.

Primary Near-Term Constraint

The non-tidal wetland shortage is the primary structural constraint on the buy side for the near term. Buyers with non-tidal wetland permit obligations face limited commercial availability, a tight ILF backstop, and geographic constraints that make the aggregate supply-demand picture worse at the permit level. In the absence of new commercial non-tidal wetland credit releases — the timing of which is unknown — this condition is expected to persist.

396Nutrient mitigation (NB) banks

6,183lbs P available (released inventory)

UnknownOutstanding NPS obligations (SWMP data gap)

8,023Phosphorus trades, 2021–2025

Credit Supply

As at 19 June 2026, 396 nutrient mitigation (NB) banks are registered in Virginia. 260 are approved; 103 are sold out; 32 are pending approval; and 1 is suspended. Unlike the §404 mitigation bank register, the NB register carries no formal commercial versus single-client type classification for the majority of banks.

Status	Approved	Sold Out	Pending	Suspended	Total
Nutrient mitigation (NB) banks	260	103	32	1	396

Table 15. Nutrient mitigation bank register by status, Virginia, as at 19 June 2026. Source: SWaN bank register.

Three credit products are available in the NPS nutrient credit market: phosphorus, nitrogen, and suspended sediment. Phosphorus is the binding constraint and the only independent market indicator. When a phosphorus credit is purchased, the associated nitrogen and sediment credits from the same bank are automatically co-retired alongside it.

Credit product	Available	Unit	Market role	Co-retirement rate (2021–25)
Phosphorus	6,183.2	lbs P	Independent indicator — sole basis for all market analysis	Primary product
Nitrogen	26,309.3	lbs N	Co-retired alongside phosphorus — not independent	81–98% of P trades
Suspended Sediment	4,057,595.6	lbs	Co-retired alongside phosphorus — not independent	40–84% of P trades

Table 16. NPS credit availability by product, as at 19 June 2026. Source: SWaN credit inventory.

Demand Drivers

Demand for NPS nutrient credits is generated primarily by construction activity stormwater permit holders operating under Virginia's General Permit for Discharges of Stormwater from Construction Activities (VAR10). 2,644 permits have recorded phosphorus credit purchases within the SWaN system.

Primary data infrastructure finding: The scale of outstanding or unfulfilled NPS nutrient obligations is not determinable from available data. Credit obligations are specified in Stormwater Management Plans (SWMPs) held by approximately 90 local VESMP authorities. SWaN records what has been purchased; it has no visibility into what is required. Contrast: for stream and wetland credits, 140,882 LF of stream and 1,799.8 acres of non-tidal wetland obligations are visible and measurable from permit records. For NPS nutrients, the equivalent figure is unknown and unknowable from available data. This is a structural feature of the regulatory framework, not a data collection failure.

Geographic Distribution

Phosphorus credit trade activity is concentrated in the Potomac watershed system of Northern Virginia and in the James River basin. The highest-demand watershed, Mid Potomac-Anacostia-Occoquan, accounts for 20.7% of phosphorus trades yet carries no local phosphorus supply from banks registered in that watershed.

Watershed	HUC8	P trades 2021–25	% of total
Mid Potomac-Anacostia-Occoquan	2070010	1,658	20.7%
Mid Potomac-Catoctin	2070008	966	12.0%
Lower James	2080206	816	10.2%
Upper Roanoke	3010101	520	6.5%
Hampton Roads	2080208	390	4.9%
Mid James-Willis	2080205	340	4.2%
Appomattox	2080207	278	3.5%
Other (30 watersheds)	—	3,055	38.0%
Total (40 watersheds)	—	8,023	100%

Table 17. Phosphorus credit trade activity by watershed, 2021–2025. Source: SWaN transaction record.

Map 7

Approved NB Banks per HUC8 Watershed

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

260 approved NB banks total. Bubble size ∝ count. Source: SWaN bank register.

Map 8

Phosphorus Credit Trade Activity by HUC8, 2021–2025

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

Mid Potomac-A-O: dominant demand, zero local NB supply. Source: SWaN transaction record.

Market Activity

19,919 NPS records were generated in the 2021–2025 analytical window. This figure materially overstates discrete market events. A single nutrient credit trade typically generates three records — phosphorus, nitrogen, and suspended sediment — because nitrogen and sediment credits are co-retired alongside phosphorus. Phosphorus is the only independent market indicator; the 8,023 phosphorus records are the correct count of discrete market events.

Year	P trades	N records	SS records	N/P rate	SS/P rate	Notes
2021	1,616	1,315	644	81.4%	39.9%	Sediment co-retirement at 40% — baseline year
2022	1,402	1,184	780	84.5%	55.6%	Both rates rising; market maturing
2023	1,395	1,301	991	93.3%	71.0%	Sediment approaching two-thirds
2024	1,864	1,396	1,103	74.9%	59.2%	P spike depresses co-ret ratios
2025	1,746	1,718	1,464	98.4%	83.8%	N near-universal; SS at 84% — structural shift confirmed
Total	8,023	6,914	4,982	86.2%	62.1%	5-year aggregate

Table 18. NPS co-retirement rates by year, 2021–2025. N/P rate = nitrogen records ÷ phosphorus trades; SS/P rate = sediment records ÷ phosphorus trades. Source: SWaN transaction record.

Product	2021	2022	2023	2024	2025	Total	Volume 2021–25
Phosphorus	1,616	1,402	1,395	1,864	1,746	8,023	13,410 lbs P
Nitrogen (co-ret)	1,315	1,184	1,301	1,396	1,718	6,914	—
Susp. Sediment (co-ret)	644	780	991	1,103	1,464	4,982	—
Total NPS records	3,575	3,366	3,687	4,363	4,928	19,919	—

Table 19. NPS credit records by product and total phosphorus volume, 2021–2025. Nitrogen and sediment are co-retired records, not independent trades. Source: SWaN transaction record.

Sell Side — Bank Operators

The NPS nutrient credit market cannot be categorised using the same commercial versus single-client bank distinction applied to the stream and wetland market. Organisational transparency must be assessed through registered point-of-contact (POC) email addresses, which reveal both significant concentration and severe opacity on the sell side.

Eco-Cap/Canopy POC pattern: Eco-Cap is registered as a point-of-contact for 131 of 377 NB banks in the POC register — 34.7% of all banks — via a personal Gmail address carrying no corporate identification. Canopy appears on 49 banks (13.0%) through a separate personal Gmail address; all 49 Canopy banks are also registered with Eco-Cap. For most of these 131 banks, Eco-Cap's economic role — broker, aggregator, management company, or beneficial owner — cannot be determined from available data. However, "Eco-Cap, LLC" also appears directly as a named seller in the transaction record for 8 of those banks (127 phosphorus trades), and is listed as an identifiable institutional operator below on that basis. Canopy has no equivalent direct trading identity in the transaction record.

48.8% of NB banks have only personal-domain email contacts, reflecting the agricultural character of the NPS market's sell side: many banks are individual farm operators generating credits from best management practices on agricultural land.

Organisation	Banks in register	P trades (all years)	Notes
Dominant registered contacts — identified from POC email analysis
Eco-Cap	131	—	34.7% of all NB banks. Registered via personal Gmail address; no corporate identification. Trading identity unknown.
Canopy	49	—	13.0% of all NB banks. Registered via separate personal Gmail address. Appears alongside Eco-Cap on all 49 banks.
Identifiable institutional operators — by corporate email domain
Resource Environmental Solutions, LLC ^†	54	1,508	Dominant seller by P trade volume; combines CBAY-VA, LLC (50 banks, 1,350 trades) and RES's directly-named entity (4 banks, 158 trades) — see note below
NERD Farms, LLC	20	991	Multi-watershed; agricultural BMPs
Acre Investment Management LLC	4	384	acre-investment.com domain
Riverbanks VA, LLC	13	365	Multi-watershed operator
RLP Investments, LC	23	379	Multi-watershed operator
R&J Investments LC	23	317	Multi-watershed operator
Potomac Mitigation, LLC	5	223	Potomac watershed focus
Eco-Cap, LLC	8	127	Direct trading identity distinct from its 131-bank POC registration (see note above)
Single-client government operators
Virginia Dept. of Transportation (VDOT)	2	—	Holston Bristol and Woodford Bulk Purchase. Single-client only.

Table 20. NPS nutrient credit market sell-side operators. Source: SWaN transaction record and bank register.

Affiliation note (^†): CBAY-VA, LLC and Resource Environmental Solutions, LLC are commonly controlled — the same affiliation identified for Chesapeake Wetland Mitigation Bank, LLC in the S&W market (Table 6). Virginia SCC entity records list a Houston, TX mailing address for both. RES is therefore the dominant sell-side operator in both credit markets covered by this report.

Concentration

Sell-side concentration is materially higher than in the stream and wetland credit market. The top two sellers — Resource Environmental Solutions, LLC (combining CBAY-VA, LLC and RES's directly-named entity) and NERD Farms, LLC — together account for approximately 58% of observable phosphorus trades, compared to 41.5% for the top five sellers in the S&W market.

Seller	P trades (all years)	Observable share	Notes
Resource Environmental Solutions, LLC ^†	1,508	35.1%	Dominant seller; 54 banks (combines CBAY-VA, LLC and RES's directly-named entity)
NERD Farms, LLC	991	23.1%	Second largest; 20 banks
Top 2 combined	2,499	58.2%	More concentrated than S&W market
All other identifiable sellers	1,795	41.8%	Remaining attributable commercial activity (includes Eco-Cap, LLC)

Table 21. NPS nutrient credit market sell-side concentration by observable phosphorus trade volume. Source: SWaN transaction record.

Affiliation note (^†): See Table 20 note. Percentages are calculated from the 4,294-trade sum of Table 20's individually-listed identifiable sellers, including Eco-Cap, LLC's direct trading identity.

Buy Side — Permit Holders

VDOT is the dominant buyer in the NPS nutrient credit market, accounting for 447 phosphorus trades in the 2021–2025 window — 5.6% of all phosphorus trades, more than twice the next largest buyer. VDOT accounts for 23 of 45 priced phosphorus transactions in the window (51.1%) with a total recorded value of $607,908.

Organisation	P trades 2021–25	Typology / Notes
Persistent buyers — consistent multi-year activity
Virginia Dept. of Transportation (VDOT)	447	Dominant buyer (5.6% of all P trades). Procures through eVA — largest source of price-observable transactions.
Dominion Energy	272	Utility; power infrastructure construction
Henrico County	70	County government
Chesterfield County	65	County government
Prince William County	40	High-growth Northern Virginia
American Electric Power (AEP)	38	Utility; infrastructure construction
Columbia Gas of Virginia, Inc.	36	Utility; pipeline construction
Periodic buyers — project-pipeline driven
Evergreene Companies	98	Residential developer; Northern Virginia
Sheetz, Inc.	32	Retail; paved surface stormwater
Voluntary credit retirement
Credit Retirement	62	Permanent voluntary removal of P credits from market. Non-compliance use; indicator of market maturity.

Table 22. Key buy-side organisations, Virginia NPS nutrient credit market, 2021–2025. Source: SWaN transaction record.

Credit Types and Co-Retirement

The three NPS credit products — phosphorus, nitrogen, and suspended sediment — are not interchangeable and are not independent supply pools. Their co-retirement relationship is the defining structural feature of the product framework.

Credit product	Unit	Available	Market role
Phosphorus	lbs P	6,183.2	Independent market indicator. All trade counting, price analysis, and market value estimation uses phosphorus only.
Nitrogen	lbs N	26,309.3	Co-retired alongside phosphorus. 81–98% co-retirement rate (rising). Not independent.
Suspended Sediment	lbs	4,057,595.6	Co-retired alongside phosphorus. 40–84% co-retirement rate (rising strongly). Not independent.

Table 23. NPS credit products, market role, and co-retirement rates. Source: SWaN credit inventory and transaction record.

Chart NPS-2

Co-Retirement Rate Convergence: Nitrogen and Suspended Sediment

Nitrogen and suspended sediment records as a share of phosphorus trades, 2021–2025. The convergence toward universal co-retirement confirms the NPS market is structurally shifting to three-product retirement per trade. The 2024 dip reflects the P trade spike diluting co-retirement ratios.

Nitrogen co-retirement rate (N records ÷ P trades)

Suspended sediment co-retirement rate (SS records ÷ P trades)

Source: SWaN transaction record, Water Ledger.

Phosphorus is the primary product of account. By 2025, essentially every phosphorus trade generates a nitrogen record and five out of six generate a sediment record. The market is converging toward a three-product co-retirement norm.

Service Area and Geographic Differentiation

NPS nutrient credit service areas in Virginia are defined by planning units established under the Chesapeake Bay TMDL. Unlike §404 stream and wetland credits, NPS nutrient credits may be traded across watershed boundaries within Virginia's NPS nutrient credit framework, subject to TMDL planning unit equivalence. Geographic constraints are less absolute than in the stream and wetland market.

Map 9

NPS Phosphorus Supply-Demand Profile by HUC8

Hover over any bubble for details. Zoom and pan to explore. Bubble size proportional to data value.

NPS credits tradeable across HUC8 boundaries within TMDL planning units. Source: SWaN.

Market Structure

The NPS nutrient credit market differs structurally from the stream and wetland market in one significant respect: there is no ILF advance credit backstop for NPS nutrients. Price visibility is therefore dependent entirely on public procurement records through eVA, and on any voluntary price disclosure in the transaction record. Of the 8,023 phosphorus trades in the 2021–2025 window, 45 carry observable prices — a 0.56% observability rate.

The 45 observable prices are almost entirely from government buyers: VDOT accounts for 23 of 45 (51.1%), with the remainder from community colleges, universities, and state agencies. Private commercial buyers are not represented in the price-observable record. The observable price series is therefore a systematic proxy for government procurement pricing, not a representative sample of the market.

Chart NPS-1

Phosphorus Credit Trades and Volume, 2021–2025

Annual phosphorus trade count (bars, left axis) and total volume in pounds P (line, right axis). The 2024 spike — 34% above the 2022–23 average — is the most significant feature of the NPS market record. The 2025 settlement above the trough suggests a project-year rather than structural step change.

Annual phosphorus trades (left axis)

Total phosphorus volume, lbs P (right axis)

Source: SWaN transaction record, Water Ledger. Phosphorus is the independent NPS market indicator; nitrogen and sediment are co-retired.

Observable Prices

Phosphorus prices range from $3,872 to $36,750 per pound across the full price record. The median across 80 total price observations is $13,473/lb P; within the 2021–2025 window, 45 observations have a median of approximately $14,000/lb P.

Chart C

Observable Price Distribution — All Three Virginia Credit Products

Each circle is one observable price transaction; horizontal position is price; circles stack vertically at the same price. Hover any lane for product summary; move within a lane for price-band detail. All observations are eVA public procurement — no private commercial prices visible.

Stream credit price ($/LF)

Non-tidal wetland price ($/acre)

NPS phosphorus price ($/lb P)

Higher-price eVA observation

Outlier / constrained-market observation

Source: SWaN transaction record, Water Ledger. n≈338 S&W priced · n=38 NPS phosphorus.

Chart C — Beeswarm. Full observable price record 2015–2025. Stream cluster at $375–$700/LF; NTW mode at $90,000/ac; NPS phosphorus $4,647–$20,541/lb P (4.4× spread). Tidal wetland excluded — non-comparable unit. All observations from eVA public procurement records.

Year	Price	Watershed	Buyer
Within 2021–2025 analytical window (selected)
2025	$20,541/lb P	S. Fork Shenandoah	Frontier Culture Museum
2024	$19,750/lb P	New River	Virginia Tech
2024	$9,599/lb P	Lynnhaven-Poquoson	VDOT
2023	$30,000/lb P	Pamunkey	— (NULL)
2022	$36,750/lb P	Lower Potomac	VDOT
2021	$9,599/lb P	Lynnhaven-Poquoson	VDOT
Prior to analytical window — historical context
2015	$3,872/lb P	Upper Roanoke	—

Table 24. Observable NPS phosphorus price records, 2021–2025 window (selected). Source: SWaN transaction record.

Market Value

Market segment	Known value (45 trades)	Volume-based floor (all trades)	Annual
Public procurement — eVA observed (45 priced P trades)	$1.6M	—	$0.3M
Private commercial (7,978 unpriced P trades)	—	~$179M	~$35.8M
TOTAL (phosphorus only)	$1.6M	~$180M	~$36M

Table 25. NPS phosphorus credit market minimum value, Virginia, 2021–2025. Volume-based floor: 13,410 lbs total volume × $13,473/lb median price. Source: SWaN transaction record.

The volume-based floor (~$180M over the window, ~$36M/year) understates actual market value because the median price is suppressed by the dominance of VDOT/public sector prices in the observable record, and private commercial buyers in constrained watersheds likely pay above-median prices.

Virginia State Framework

The NPS nutrient credit market operates under state law only. There is no federal Clean Water Act §404 framework, no USACE role, and no Mitigation Banking Instrument (MBI) equivalent for nutrient bank instruments. The primary enabling legislation is Virginia Code §62.1-44.19:12 through §62.1-44.19:23.1, which establishes the Chesapeake Bay Watershed Nutrient Credit Exchange Program. Virginia DEQ is the administering agency.

Chesapeake Bay TMDL and the VAR10 Demand Mechanism

The overarching demand driver for NPS nutrients is Virginia's commitment to meet its Chesapeake Bay Total Maximum Daily Load (TMDL) allocations established by the US EPA in 2010. The VAR10 General Permit for Construction Activity Stormwater Discharges is the primary permit mechanism through which NPS nutrient credit obligations are generated. Permit holders whose projects increase impervious surface within the Chesapeake Bay watershed must achieve a net nutrient load increase of zero or purchase certified NPS nutrient credits to offset that increase.

MS4 permit holders — local governments operating municipal separate storm sewer systems — represent a secondary demand mechanism. MS4 permits include nutrient load reduction requirements and holders may purchase NPS credits to satisfy those requirements.

TMDL Planning Units and Geographic Trading

NPS nutrient credit trades may occur across watershed boundaries within Virginia's nutrient credit framework, subject to TMDL planning unit equivalence. Credits generated within a planning unit can generally satisfy obligations within the same planning unit regardless of the specific HUC8 of origin or use. This makes geographic constraints on NPS nutrient trading less absolute than the HUC8-bounded service areas that govern stream and wetland credit usage.

Sources cited in this section

Virginia Code §§62.1-44.19:12–23.1 — Chesapeake Bay Watershed Nutrient Credit Exchange Program.

Virginia Code §62.1-44.15:35 — Virginia Stormwater Management Act.

9 VAC 25-870 — Virginia Stormwater Management Program (VSMP) Regulation.

US EPA. Chesapeake Bay Total Maximum Daily Load. December 2010.

Supply and Demand Conditions

Available phosphorus supply (6,183.2 lbs P) is broadly commensurate with recent annual demand: 8,023 phosphorus trades over five years at a median of 0.55 lbs per trade implies annual demand of approximately 882 lbs P per year against an available supply of 6,183 lbs P. This comparison cannot be treated as a reliable supply-demand balance: individual permit obligations are not observable (the SWMP data gap), so the true unmet obligation position is unknown.

The 2024 Phosphorus Spike

Phosphorus trades reached 1,864 in 2024 — the highest year in the analytical window and 34% above the 2022–2023 average. Whether this represents a one-off project year, a return to a longer-term trend following a 2022–2023 dip, or a structural demand increase cannot be determined from available data. The 2025 figure (1,746 trades) is below 2024 but above the 2022–2023 trough, suggesting the 2024 spike may have been a project-year effect rather than a structural step change. Subsequent MMQ editions will provide trend context for this observation.

Sell-Side Concentration Risk

Resource Environmental Solutions, LLC (RES) is the dominant seller in both credit markets covered by this report, and this is an observed condition rather than a hypothetical one. Via CBAY-VA, LLC, RES accounts for approximately 35% of observable phosphorus trades in the NPS nutrient market (rising to approximately 58% combined with the second-largest seller, NERD Farms). Via Chesapeake Wetland Mitigation Bank, LLC, the same organisation has already partially withdrawn from the stream and wetland market, contributing to a 36% decline in non-tidal wetland trade volumes over the analytical window. These are not two independent data points about market structure — they are two observations of the same operator's behaviour across both markets. A single organisation is simultaneously the dominant NPS seller and a contributor to the S&W supply contraction, meaning the two markets' concentration risks are more closely linked than treating each market in isolation would suggest. Whether RES is reallocating capital and supply between the two markets, or the two trends are coincidental, cannot be determined from available data — but the common ownership itself is established from public corporate records external to SWaN.

Digital Infrastructure Demand

The digital infrastructure sector — hyperscale data centers, utility-scale renewable energy, and telecommunications infrastructure — is generating increasing construction activity in Virginia. Amazon Data Services and Microsoft Corporation appear as buyers in both the S&W and NPS markets in the 2021–2025 window. Unlike VDOT and county governments, digital infrastructure developers are private-sector buyers not subject to eVA disclosure, so their forward demand is not directly observable.

Data Infrastructure Outlook

Primary Structural Constraint

The SWMP/VESMP demand data gap is the primary structural constraint on analytical depth in the NPS nutrient credit market. Without consolidated demand data, the market cannot be assessed for supply-demand balance, obligation fulfilment rates, or structural adequacy. This is not a gap that will close through better data collection by SWaN alone; it requires either a change in SWMP reporting requirements at the VESMP level or the development of a consolidated data infrastructure by Virginia DEQ.

The stream and wetland credit market and the NPS nutrient credit market are sometimes considered in parallel, but they are not substitutes for each other. They are governed by separate regulatory frameworks, measure different ecological impacts in different units, and are triggered by different permit conditions. A developer whose project impacts a stream and increases impervious surface within the Chesapeake Bay watershed does not choose between stream credits and nutrient credits — they need both.

Within-Market Substitution: The Mitigation Hierarchy

Within the stream and wetland credit market, the governing substitution framework is the mitigation hierarchy under 33 CFR 332.3(b). Permit applicants must demonstrate that they have first avoided impacts, then minimised unavoidable impacts, and only then compensate for residual impacts. Within the compensatory stage, credits are sourced in a defined preference order: first from commercial mitigation banks, then from ILF programmes, and finally through permittee-responsible mitigation.

The practical consequence is that the decision between onsite mitigation and commercial credit purchase is not made freely by developers. It is constrained by permit conditions and the availability of commercial credits within the relevant service area. The 84.8% unfulfilled stream obligation rate and 96.2% unfulfilled non-tidal wetland obligation rate visible in the permit record suggest that a substantial volume of permit obligations remains outstanding.

Within the NPS nutrient credit market, the equivalent substitution choice is between on-site stormwater management and NPS credit purchase. There is no hierarchical ordering equivalent to 33 CFR 332.3(b) in the NPS nutrient framework. The threshold between these options is a function of site economics, not regulatory preference.

Cross-Market Buyers: Simultaneous Obligations

The clearest evidence of how the two markets interact is the 168 organisations that are active buyers in both markets in the 2021–2025 window. Their presence in both markets is not a substitution decision; it is the unavoidable consequence of the dual regulatory framework that governs large-scale construction in the Chesapeake Bay watershed.

Chart D

Cross-Market Dual Obligation Flow — 168 Organisations, 2021–2025

Hover any source organisation to highlight its flows to both markets. Hover either destination block to highlight all flows into that market. VDOT's asymmetry (29 S&W trades vs 1,050 NPS records) is immediately legible as a thin blue band and dominant purple band from the same node.

Flow to S&W credit market (§404/VWP)

Flow to NPS nutrient market (VAR10/MS4)

No substitution — both obligations must be fulfilled independently

Source: SWaN transaction record, Water Ledger. 2021–2025. Flow width indicative.

Chart D — Sankey. 168 organisations active in both markets simultaneously. The same project creates §404/VWP and VAR10 obligations independently — no substitution is possible between them. VDOT's asymmetry reflects the impervious-surface-dominant character of road construction.

Organisation	S&W trades 2021–25	NPS trades 2021–25	Activity character
Persistent cross-market participants — large-scale infrastructure and development
Virginia Dept. of Transportation (VDOT)	29	1,050	Road construction; simultaneous §404 and VAR10 obligations on every major project
Dominion Energy	78	704	Power infrastructure corridors; pipeline and substation construction
Henrico County	30	190	County road and development programmes
Chesterfield County	44	157	County road and development programmes
Prince William County	15	109	High-growth Northern Virginia
Loudoun County	11	82	High-growth Northern Virginia
Fairfax County	5	65	County infrastructure
Stanley Martin Companies, LLC	29	59	Residential developer; land development obligations
Shirley Contracting Company, LLC	23	29	Construction contractor; infrastructure projects
Total cross-market organisations identified	—	—	168 organisations active in both markets 2021–2025

Table 26. Organisations active in both markets, 2021–2025. NPS trades include all NPS product records (phosphorus + co-retired N and SS). Source: SWaN transaction record.

VDOT's profile is the most illustrative: 29 S&W trades and 1,050 NPS records in the window. Road construction generates stream and wetland impacts (requiring §404 compensation), and road surfaces generate impervious area and associated nutrient loads (requiring VAR10 nutrient credits). The same project creates both types of obligation with no substitution possible between them.

Dual-Credit Bank Sites

Only two bank sites appear in both the §404 mitigation bank register and the NB nutrient bank register under the same name: Crooked Run and Licking Run. Name-based matching identifies explicit dual registrations only; the same underlying property may hold §404 and NB instruments under different names. The separation likely reflects the different approval processes and regulatory frameworks: §404 bank instruments require USACE and Virginia DEQ joint approval, while NB instruments require only Virginia DEQ approval under state law.

Price Transparency

The NPS nutrient market has marginally higher price observability: 0.56% of phosphorus trades carry observable prices, compared to 0.25% of S&W commercial trades. The difference is driven by the broader public procurement segment: all Virginia public entities are legally required to use eVA, creating a systematic price disclosure mechanism for the government buyer segment as a whole. Remove the public sector from both price records and the observability of both markets falls to near-zero.

The S&W market compensates for lower commercial price observability through the ILF advance credit fee schedule. VARTF and CVC/LRRT publish advance credit prices; these are observable for all 248 advance trades in the window ($53.8M verified). The advance fee schedule functions as a systematic price reference across HUC8 watersheds — a known ceiling or benchmark against which commercial pricing can be calibrated directionally, even when commercial prices are not directly observable. The NPS market has no equivalent.

Chart XM-1

Market Value Floor Comparison: S&W vs NPS Phosphorus, 2021–2025

Minimum value floors by market segment. S&W floor rests on a regulatory mechanism (ILF advance fee schedule under 33 CFR 332.3(b)); NPS floor rests on a statistical extrapolation from eVA prices. Both are floors, not point estimates — actual market value is higher in both cases.

Source: SWaN transaction record. Floor methodologies in Notes & Methodology.

Dimension	S&W credit market	NPS nutrient credit market
Price observability	0.25% of trades (4 of 1,608 commercial)	0.56% of trades (45 of 8,023 phosphorus)
Primary price source	ILF advance fee schedule (248 transactions, fully priced)	eVA public procurement (VDOT = 51% of priced observations)
Price reference mechanism	ILF advance creates a systematic second-preference price floor; directly observable	No systematic floor; eVA creates a partial government-segment ceiling at ~70% of commercial price
Price range width (in window)	Stream: $97–$515/LF (5× range) Non-Tidal: $52K–$95.5K/ac (1.8×)	Phosphorus: $3,872–$36,750/lb P (9.5× range)
Liquidity	Bilateral private; no public market; ILF backstop provides certainty at above-market price	Bilateral private; no public market; no equivalent backstop

Table 27. Price transparency and efficiency comparison, Virginia S&W credit market and NPS nutrient credit market, 2021–2025. Source: SWaN transaction record.

Which Market Clears Faster?

Annual phosphorus trade volume (approximately 1,605 trades per year) is approximately five times the annual S&W commercial trade volume (approximately 322 trades per year). However, this does not support a conclusion that the NPS market clears more efficiently. The higher trade frequency reflects structural differences in obligation size: the typical phosphorus trade involves 0.59 lbs P and relates to a single construction site's stormwater obligation, while the typical S&W commercial trade involves 271 LF of stream or 0.46 acres of wetland and relates to a discrete habitat impact that may have taken years to permit. Raw trade count is not a meaningful efficiency proxy.

Regulatory Architecture

The most fundamental structural difference between the two markets is their regulatory architecture. The S&W credit market operates under a dual state-federal regime: federal jurisdiction under §404 of the Clean Water Act (USACE) and Virginia state jurisdiction under the Virginia Water Protection programme. Credit instruments require joint approval; credit service areas are defined by USACE district conventions; and the preference hierarchy for credit sourcing is established by federal regulation (33 CFR 332.3(b)). The NPS nutrient credit market operates under state law only. Virginia DEQ is the sole administering authority; there is no federal permitting role.

Demand Visibility Asymmetry

The two markets have asymmetric demand visibility, and this asymmetry has direct analytical consequences. In the S&W market, VWP permit obligations are partially visible: the permit registry records required credit quantities, and SWaN tracks purchases against those requirements. The analysis in Section 01 was therefore able to quantify unfulfilled stream obligations (140,882 LF, 84.8% of the total) and unfulfilled non-tidal wetland obligations (1,799.8 acres, 96.2%).

In the NPS nutrient market, no equivalent demand-side view exists. Credit obligations are specified in SWMPs held by approximately 90 local VESMP authorities and are not consolidated in any accessible registry. SWaN records what has been purchased but has no visibility into what is required. The consequence is that supply-demand balance in the NPS market is not assessable from available data. This asymmetry is not a data collection failure; it is a structural feature of how the two regulatory frameworks record and track obligations.

Market Floor and Minimum Value

The minimum value estimates for the two markets rest on structurally different methodologies. For S&W credits, the ILF advance fee schedule provides a price floor grounded in an actual regulatory mechanism: commercial prices must be at least competitive with advance prices under 33 CFR 332.3(b), and advance prices are observable for 248 trades. The resulting floor ($292.5M over the window, $58.5M/year) is methodologically robust. For NPS phosphorus credits, the floor estimate (~$180M, $36M/year) applies the median eVA-observed price to total volume — a statistical extrapolation that does not rest on a regulatory floor mechanism.

Combined Minimum Floor

The combined minimum floor for both markets — S&W $292.5M and NPS ~$180M — gives a total minimum of approximately $472.5M over the 2021–2025 window, or approximately $94.5M per year. This figure understates true market value in both cases, and the degree of understatement is likely larger in the NPS market given the weaker price floor mechanism.

Concentration and Opacity

Both markets exhibit high sell-side concentration, and the same organisation drives a meaningful share of both. The NPS nutrient market is more concentrated on observable metrics: the top two sellers — Resource Environmental Solutions, LLC (via CBAY-VA, LLC) and NERD Farms, LLC — account for approximately 58% of observable phosphorus trades, compared to 41.5% for the top five sellers in the S&W market. RES also appears in the S&W market's sell-side register (via Chesapeake Wetland Mitigation Bank, LLC and its own directly-named entity, Table 6), making it a common structural factor in both markets rather than an NPS-specific concentration risk. The Eco-Cap and Canopy POC pattern — two Gmail contacts registered against 131 banks (34.7% of the register) — suggests that administrative concentration in the NPS nutrient market may be even higher than the seller trade-volume analysis indicates.

The opacity patterns differ between markets on the sell side, but converge on the buy side. In the S&W market, sell-side opacity takes the form of SPV-style corporate structures. In the NPS market, sell-side opacity is expressed through personal-domain email contacts. On the buy side, both markets show high rates of unattributed transactions: 47.4% in S&W and a similarly incomplete attribution rate in the NPS market.

Summary

The Virginia stream and wetland credit market and NPS nutrient credit market share more structural features than their regulatory separation suggests. Both are bilateral, illiquid markets with low price transparency, high sell-side concentration, significant buy-side opacity, and demand-side data limitations. Both serve the same broad population of large-scale infrastructure and development actors, as evidenced by the 168 organisations active in both markets. Neither market has a functioning price discovery mechanism.

The primary structural distinctions are the regulatory architecture (dual state-federal versus state-only), the availability of a systematic price reference (ILF advance fee schedule in S&W; none in NPS), the observability of demand (partially visible in S&W; entirely invisible in NPS), and the service area framework (HUC8-bounded in S&W; planning unit-flexible in NPS). These differences have direct consequences for analytical depth: the S&W market permits supply-demand balance analysis; the NPS market does not. Both markets will benefit from improved data infrastructure. The NPS market's need is the more acute.

Sources cited in this section

SWaN transaction record, bank register, and permit data. Water Ledger, as at 19 June 2026.

33 CFR Part 332 — Compensatory Mitigation for Losses of Aquatic Resources (USACE).

Virginia Code §62.1-44.19:12 et seq. — Chesapeake Bay Watershed Nutrient Credit Exchange Program.

9 VAC 25-870 — Virginia Stormwater Management Program Regulation. Virginia DEQ.

Data Sources

SWaN Platform

The primary data source for this report is the SWaN platform (Virginia Stream, Wetland, and Nutrient Credit Exchange), owned and operated by Water Ledger under commercial contract with Virginia DEQ. SWaN integrates data from three external sources — RIBITS, the Virginia DEQ permit system, and eVA — and provides the most comprehensive single view of the Virginia credit market available to any analyst.

As at 19 June 2026, SWaN covers approximately 61% of §404 bank operators and 56% of stream and wetland permit holders. Coverage of the NPS nutrient market is approximately 60% by trade volume. Transaction records extend from SWaN's operational launch in January 2026 but are supplemented with historical data ingested from RIBITS.

RIBITS

RIBITS (the USACE Regulatory In-lieu fee and Bank Information Tracking System) is the federal system of record for mitigation bank instruments and credit transactions. It is an operational regulatory database — designed to support the administration of individual permits, not to function as market infrastructure. Banks are required to register trades to RIBITS within seven days of completion, but there is published and anecdotal evidence that the registry is both inaccurate and not consistently current to this standard. RIBITS records each bank's contacts comprehensively but does not distinguish between ownership, management, brokerage, and advisory roles — a structural limitation that directly constrains the ownership analysis throughout this report.

eVA (Virginia Public Procurement System)

eVA records public procurement transactions by Virginia government entities. All Virginia public entities are legally required to procure goods and services — including mitigation and nutrient credits — through eVA. eVA data integrated into SWaN provides the primary source of observable price data in both markets. All four stream and wetland price observations within the 2021–2025 analytical window, and 45 of the 80 observable NPS phosphorus prices, originate from eVA records.

Virginia DEQ Permit System

Virginia DEQ permit data provides permit obligation records for stream and wetland credits (VWP permits specifying credit requirements) and records of credit purchases against those obligations. For NPS nutrient credits, DEQ's permit system does not consolidate credit obligation data: individual project obligations are held in Stormwater Management Plans (SWMPs) at approximately 90 local VESMP authorities. This SWMP/VESMP gap is a primary data infrastructure finding of this baseline.

Analytical Definitions

What Counts as a Price

A price observation is a specific price per credit unit (per LF, per acre, or per lb P) associated with a specific transaction, watershed, and date in the source records. Price data originates from eVA procurement records integrated into SWaN. No independent verification of prices has been conducted; prices are taken as recorded. Commercial private prices — from bilateral transactions between private parties not required to disclose pricing — are not observable within the 2021–2025 analytical window for stream and wetland credits.

What Counts as an Available Credit

Available credits are released-but-unsold credits at approved banks. Released credits have met the MBI milestone requirements necessary for their release; they are available for immediate purchase. Unreleased potential credits are excluded from availability figures. Single-client captive credits — held at banks whose instruments restrict use to a single named organisation — are excluded from market-available supply regardless of their utilisation status or remaining inventory. ILF advance credits are shown separately as a distinct supply category, not combined with commercial supply.

Trade Counting in the NPS Nutrient Market

A single NPS nutrient credit trade generates up to three records in the registry: one for phosphorus, one for nitrogen, and one for suspended sediment, reflecting co-retirement. Total NPS record counts (19,919 in the 2021–2025 window) overstate the number of discrete market events. All NPS market analysis in this report uses phosphorus trade counts (8,023 in the window) as the independent market indicator.

Credits Transacted Unit Conversion

The credits_transacted field in the SWaN transaction record stores values in thousandths of the relevant unit (the displayed value must be divided by 1,000 to obtain the actual quantity). This conversion has been verified against priced transactions: stream credits at $425.00/LF with a total_price of $552,500 implies 1,300 LF, which corresponds to credits_transacted = 1,300,000 (÷ 1,000 = 1,300 LF). Non-tidal wetland and advance credits verified similarly.

Market Value Methodology

Stream and wetland market: The ILF advance credit fee schedule provides a regulatory floor under 33 CFR 332.3(b): commercial credits must be priced at least competitively with advance credits or buyers would use advance credits instead. Floor values are calculated using HUC8-specific advance median prices applied to commercial trade counts, with fallback to product-level medians where HUC8-specific data is insufficient (stream: 13% fallback, non-tidal: 49%, tidal: 72%). Government buyers are valued at 70% of advance prices, based on two verified arm's-length VDOT transactions showing approximately 30% below HUC8 advance medians.

NPS nutrient market: No equivalent regulatory floor mechanism exists. The floor estimate applies the median eVA-observed price ($13,473/lb P) to total traded volume (13,410 lbs P × $13,473/lb = ~$180M). This is a statistical extrapolation, not a regulatory floor. It is further compromised by the unrepresentativeness of the eVA-derived price record (dominated by government procurement pricing). The NPS floor estimate is directionally useful but structurally weaker than the S&W estimate.

Evidence Classification

Evidence type	Definition	Usage standard
Observed	Directly visible in the data	State plainly, with source
Derived	Calculated from the data with a documented method	State plainly; cite the method
Directional	Pattern supported by available data but not fully verified	Bound: "data is consistent with…" or "indicative of…"
Speculative	Informed judgment not directly anchored in data	Use sparingly; always label explicitly
Implied	Logically required given observed data, regulatory rules, and definitional constraints	Use to complete analytical structure where inference is deductive

Table A1. Evidence classification framework used throughout this report.

Glossary

§404 permit: Permit issued by USACE under Section 404 of the Clean Water Act for the discharge of dredged or fill material into waters of the US. Triggers compensatory mitigation requirements.
Advance credit: A credit sold by an ILF programme before associated restoration works are completed. Second-preference credit type under 33 CFR 332.3(b).
Co-retirement: Automatic retirement of nitrogen and suspended sediment credits alongside a phosphorus credit purchase. A single nutrient trade generates three registry records; only phosphorus is the independent market indicator.
eVA: Virginia's public procurement system. All Virginia public entities must use eVA, creating the primary source of observable price data in both markets.
HUC8: Hydrologic Unit Code at the 8-digit sub-basin level. Primary geographic unit for credit service areas and market analysis in this report.
ILF programme: In-lieu fee programme: collects fees from permit applicants and uses the revenue to fund restoration works. Sells advance credits before works are completed. Second-preference source under 33 CFR 332.3(b).
Letter of credit availability: Document issued by a bank confirming credit availability for a permit applicant. May be issued to multiple applicants against the same credits simultaneously; does not constitute a reservation.
MBI: Mitigation Banking Instrument: the legally binding agreement defining a bank's service area, credit types, release schedule, financial assurances, and long-term obligations.
NPS: Non-Point Source: pollutant loads from diffuse sources (stormwater, agricultural runoff) rather than pipes. Virginia's SWaN-covered nutrient credit market is NPS-only.
RIBITS: USACE Regulatory In-lieu fee and Bank Information Tracking System. Federal system of record for mitigation bank instruments and transactions. Operational database not designed as market infrastructure; known accuracy limitations.
SWaN: Virginia Stream, Wetland, and Nutrient Credit Exchange. Owned and operated by Water Ledger under commercial contract with Virginia DEQ.
TMDL: Total Maximum Daily Load. Maximum pollutant load a waterbody can receive and meet quality standards. Chesapeake Bay TMDL (2010) underpins Virginia's NPS nutrient credit market.
VAR10: Virginia's General Permit for Construction Activity Stormwater Discharges. Requires net zero nutrient load increases or NPS credit purchases within the Chesapeake Bay watershed.
VESMP / VSMP: Virginia Erosion and Stormwater Management Program / Virginia Stormwater Management Program. Approximately 90 local authorities hold SWMPs recording nutrient obligations; data not consolidated centrally.
VWP permit: Virginia Water Protection permit (Virginia DEQ). Required for wetland/stream impacts in parallel with §404.

Regulatory References

Stream and Wetland Credit Market

33 U.S.C. §1344 — Section 404 of the Clean Water Act.

33 CFR Part 332 — Compensatory Mitigation for Losses of Aquatic Resources (2008 Final Rule). US Army Corps of Engineers / US EPA.

Virginia Code §§62.1-44.15:20–23.1 — Virginia Water Resources and Wetlands Protection Program.

9 VAC 25-210 — Virginia Water Protection Permit Regulation. Virginia DEQ.

NPS Nutrient Credit Market

Virginia Code §§62.1-44.19:12–23.1 — Chesapeake Bay Watershed Nutrient Credit Exchange Program.

Virginia Code §62.1-44.15:35 — Virginia Stormwater Management Act.

9 VAC 25-870 — Virginia Stormwater Management Program (VSMP) Regulation. Virginia DEQ.

US EPA. Chesapeake Bay Total Maximum Daily Load. December 2010. https://www.epa.gov/chesapeake-bay-tmdl

Data Infrastructure

USGS Watershed Boundary Dataset (WBD). https://water.usgs.gov/GIS/wbd_huc8.pdf

eVA — Virginia's public procurement system. https://eva.virginia.gov

RIBITS — USACE Regulatory In-lieu fee and Bank Information Tracking System. https://ribits.ops.usace.army.mil

Q0 Baseline Anchor Values

Historical Baseline — Q0 Reference Point

This edition of MNM Quarterly establishes the baseline record for Virginia's stream and wetland and NPS nutrient credit markets as at 19 June 2026, with a 2021–2025 analytical window. From MMQ Q1 onwards, each edition will enable direct comparison against this baseline.

197§404 commercial banks (active)

396NB nutrient banks total

1,856S&W trades, 2021–2025

8,023P trades, 2021–2025

$292.5MS&W minimum floor (5yr)

~$180MNPS minimum floor (5yr)

0.25%S&W price observability

0.56%NPS price observability

22.1%ILF advance share of S&W trades (2025)

96.2%Non-tidal wetland obligations unfulfilled

84.8%Stream obligations unfulfilled

168Orgs active in both markets

Mitigation & NutrientMarket Quarterly

About SWaN

About DEQ

Virginia in Context

What MNM Q0 Is — and What It Is Not

How to Read This Report

Sources cited in this section

General Findings

Credit Supply

Demand Drivers

Geographic Distribution

Market Activity

Sell Side — Bank Operators

Concentration

Buy Side — Permit Holders

Market Transparency

Sources cited in this section

Credit Types

Supply-Demand Alignment by Product

Geographic Distribution and Service Areas

Market Structure and Minimum Value

Observable Commercial Prices

Observable Transaction Trends

Federal Framework

Virginia State Framework

Mitigation Banking Instruments and Credit Release

Sources cited in this section

Structural Conditions

Observable Forward Signals

Constraints and Unknowns

Credit Supply

Demand Drivers

Geographic Distribution

Market Activity

Sell Side — Bank Operators

Concentration

Buy Side — Permit Holders

Credit Types and Co-Retirement

Service Area and Geographic Differentiation

Market Structure

Observable Prices

Market Value

Virginia State Framework

Chesapeake Bay TMDL and the VAR10 Demand Mechanism

TMDL Planning Units and Geographic Trading

Sources cited in this section

Supply and Demand Conditions

The 2024 Phosphorus Spike

Sell-Side Concentration Risk

Digital Infrastructure Demand

Data Infrastructure Outlook

Within-Market Substitution: The Mitigation Hierarchy

Cross-Market Buyers: Simultaneous Obligations

Dual-Credit Bank Sites

Price Transparency

Which Market Clears Faster?

Regulatory Architecture

Demand Visibility Asymmetry

Market Floor and Minimum Value

Concentration and Opacity

Summary

Sources cited in this section

Data Sources

SWaN Platform

RIBITS

eVA (Virginia Public Procurement System)

Virginia DEQ Permit System

Analytical Definitions

What Counts as a Price

What Counts as an Available Credit

Trade Counting in the NPS Nutrient Market

Credits Transacted Unit Conversion

Market Value Methodology

Evidence Classification

Glossary

Regulatory References

Stream and Wetland Credit Market

NPS Nutrient Credit Market

Data Infrastructure

Q0 Baseline Anchor Values

Mitigation & Nutrient
Market Quarterly