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City of Newport News
2024-2029 MS4 Program Plan
5.75% during the first MS4 Permit term (July 1, 2016, through June 30, 2021); the City exceeded its
requirements during that permit term. An updated Chesapeake Bay TMDL Action Plan for the 2024-
2029 MS4 Permit Cycle was submitted January 21, 2025, to demonstrate how the City will reduce
Total Nitrogen and Total Phosphorus by 40% cumulatively by June 30, 2026, and by 100% by June 30,
2028. The current plan is available on the Department of Engineering’s website:
www.nnva.gov/2638/TMDL-Action-Plans.
Reporting
• Each annual report shall include any modifications to the Chesapeake Bay TMDL Action Plan
made during the July 1 to June 30 reporting period. (ONGOING)
• Each annual report shall include documentation identifying which BMPs were completed
within the annual reporting period. (ONGOING)
• Each annual report shall include a list of BMPs implemented during the reporting period that
weren’t reported to the DEQ BMP Warehouse. (ONGOING).
• Each annual report shall include a list of control measures that are expected to be
implemented during the next reporting period and the expected progress toward meeting
the compliance targets for Total Nitrogen, Total Phosphorus, and Total Suspended Solids.
(ONGOING)
2. TMDL Action Plans other than the Chesapeake Bay TMDL
The City submitted the Back River & Warwick River TMDL Action Plan on June 22, 2018, to
demonstrate how it would meet required reductions in E. coli, Enterococcus and fecal coliform
bacteria within the Back and Warwick rivers watersheds. An updated version of this plan was
submitted July 23, 2025, which included an evaluation of results achieved by the previous action plan
as well as updated strategies for the 2024-2029 MS4 Permit Cycle. The current plan is available on
the Department of Engineering’s website: www.nnva.gov/2638/TMDL-Action-Plans.
Reporting
• Each annual report shall include a summary of actions conducted to implement the local
TMDL action plan. (ONGOING)
Part I.E. Annual Reporting
The City submits an annual report electronically to DEQ no later than October 1 each year for the previous
fiscal year (July 1 through June 30). Included are any modifications to the MS4 Program Plan, a
certification as per Part II.K of the MS4 Permit, and all reporting requirements listed in the MS4 Permit
and in this MS4 Program Plan.
Part II. DEQ BMP WAREHOUSE REPORTING
BMPs include SWMFs, ecosystem restoration projects, and annual practices that achieve quantifiable
nitrogen, phosphorus, or total suspended solids reductions. All new BMPs brought online during theJump to an indexed page (19 of 19)