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Virginia Administrative Code
Title 9. Environment
Agency 25. State Water Control Board
Chapter 820. General Virginia Pollutant Discharge Elimination System (VPDES) Watershed Permit Regulation for Total Nitrogen and Total Phosphorus Discharges and Nutrient Trading in the Chesapeake Bay Watershed in Virginia
12/30/2024

9VAC25-820-40. Compliance plans.

A. By February 1, 2023, every owner of a facility subject to reduced individual total nitrogen or total phosphorous wasteload allocations as identified in 9VAC25-820-80 shall either individually or through the Virginia Nutrient Credit Exchange Association submit compliance plans to the department for approval.

1. For facilities listed in 9VAC25-820-80 A, compliance with reduced wasteload allocations established by the Enhanced Nutrient Removal Certainty Program shall be on the effective date of the reduced allocations as established in 9VAC25-720-60 and 9VAC25-720-120. For facilities listed in 9VAC25-820-80 B, compliance with chlorophyll-a based total phosphorus wasteload allocations shall be achieved as soon as possible, but no later than January 1, 2026. The compliance plans shall contain any capital projects and implementation schedules needed to achieve total nitrogen and phosphorus reductions sufficient to comply with the individual and combined wasteload allocations of all the permittees in the tributary. Permittees submitting individual plans are not required to account for other facilities' activities.

2. As part of the compliance plan development for facilities listed in 9VAC25-820-80 B, permittees shall either:

a. Demonstrate that the additional capital projects anticipated by subdivision 1 of this subsection are necessary to ensure continued compliance with these allocations by January 1, 2026, or

b. Request that their individual wasteload allocations become effective on January 1, 2023.

3. The compliance plans may rely on the exchange of point source credits in accordance with this general permit, but not the acquisition of credits through payments into the Nutrient Offset Fund (§ 10.1-2128.2 of the Code of Virginia), to achieve compliance with the individual and combined wasteload allocations in each tributary.

B. Every owner of a facility required to submit a registration statement shall either individually or through the Virginia Nutrient Credit Exchange Association submit annual compliance plan updates to the department for approval as required by Part I D of the general permit.

Statutory Authority

§ 62.1-44.15 of the Code of Virginia; 33 USC § 1313(e) of the Clean Water Act.

Historical Notes

Derived from Virginia Register Volume 23, Issue 2, eff. November 1, 2006; amended, Virginia Register Volume 28, Issue 4, eff. January 1, 2012; Volume 33, Issue 10, eff. February 8, 2017; Volume 37, Issue 26, eff. January 1, 2022; Volume 39, Issue 7, eff. December 21, 2022.

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