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Newport News MS4 stormwater discharge permit VA0088641 — 2024–2029

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Permit No. VA0088641 Page 26 of 42 3) The credits are acquired no later than June 1 immediately following the calendar year in which the credits are applied; 4) No later than June 1 immediately following the calendar year in which the credits are applied, the permittee certifies on an MS4 Nutrient Credit Acquisition Form that the permittee has acquired the credits; 5) Total nitrogen and total phosphorous credits shall be either point source credits generated by point sources covered by the Watershed Permit for Total Nitrogen and Total Phosphorous Discharges and Nutrient Trading in the Chesapeake Bay Watershed general permit issued pursuant to § 62.1-44.19:14 of the Code of Virginia, or nonpoint source credits pursuant to § 62.1-44.19:20 of the Code of Virginia. i) The permittee shall submit an updated Chesapeake Bay TMDL action plan for the cumulative 40% reductions required in Part I.D.1.b) and c) within 12 months of the permit effective date. The permittee shall submit an updated Chesapeake Bay TMDL action plan for the cumulative 100% reductions required in Part I.D.1.b) and c) by June 30, 2026. The action plans shall include the following information: 1) Any new or modified legal authorities, such as ordinances, permits, policy, specific contract language, orders and inter-jurisdictional agreements, implemented or needing to be implemented, to meet the requirements of Parts I.D.1.b) and c) to include a review in the development of these actions; 2) The load and cumulative reduction calculations for each river basin calculated in accordance with Parts I.D.1.b) and c); 3) The total reductions achieved to date for each pollutant of concern in each river basin; 4) A list of BMPs implemented to date to achieve reductions associated with the Chesapeake Bay TMDL including: (a) The date of implementation; and (b) The reductions achieved. 5) The BMPs to be implemented by the permittee prior to the expiration date of this permit to meet the cumulative reductions calculated in Parts I.D.1.b) and c), including, as applicable: (a) Type of BMP; (b) Project name; (c) Location; (d) Percent removal efficiency for each pollutant of concern; and (e) Calculation of the reduction expected to be achieved by the BMP calculated and reported in accordance with the methodologies established in Part I.D.1.f) for each pollutant of concern. 6) An estimate of the expected cost to implement the necessary reductions during the permit cycle; and 7) A summary of any comments received as a result of public participation required in Part I.D.1.j), the permittee’s response, identification of any public meetings to address public concerns, and any revisions made to the Chesapeake Bay TMDL action plan as a result of public participation.
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