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Municipal Separate Storm Sewer System (MS4)
The Town of Warrenton was designated as a regulated small Municipal Separate Storm Sewer System (MS4) in August 2013 and falls under the purview of the Virginia Stormwater Management Act of the Code of Virginia. This designation requires the Town to develop and implement a program to minimize the discharge of pollutants through and from the MS4 into surface waters of the Commonwealth.
The Town filed its 2023 MS4 Annual Report (PDF) & Attachments Report (PDF) with the Department of Environmental Quality on October 1, 2023 for the period July 1, 2022 through June 30, 2023.
View the most current Town of Warrenton MS4 Program Plans online (PDF) and Attachments Program Plan (PDF).
Additional Resources: Warrenton Chesapeake Bay TMDL Studyrevised11_1 (PDF) and Warrenton Chesapeake Bay TMDL Ammendment (PDF)
MS4 Annual Reports
- MS4 Annual Report - Period Ending June 30, 2014 (PDF)
- MS4 Annual Report - Period Ending June 30, 2015 (PDF)
- MS4 Annual Report - Period Ending June 30, 2016 (PDF)
- MS4 Annual Report - Period Ending June 30, 2017 (PDF)
- MS4 Annual Report - Period Ending June 30, 2018 (PDF)
- MS4 Annual Report - Period Ending June 30, 2019 (PDF)
- MS4 Annual Report - Period Ending June 30, 2020 (PDF)
- MS4 Annual Report - Period Ending June 30, 2021 (PDF)
- MS4 Annual Report - Period Ending June 30, 2022 (PDF)
Current MS4 Program Plan
The Town of Warrenton is required under the Municipal Stormwater
Sewer System (MS4) Permit to create an MS4 Program Plan. This Program
Plan outlines the Town of Warrenton activities will undertake over the
next 5 years of the permit cycle to fulfill its permit responsibilities.
Town of Warrenton TMDL Action Plan
As an MS4 community, Warrenton is required to develop a Total Maximum
Daily Load (TMDL) Action Plan for compliance with the water quality
standards as a part of the 2023 to 2028 Phase II General Permit.
View the Town of Warrenton DRAFT Chesapeake Bay TMDL Action Plan 2023-2028 (PDF).
Previous TMDL Action Plan:
MS4 Permit or TMDL Public Comment
Do you have input regarding the Town's MS4 Annual Report, Program Plan, or TMDL Action Plan, or suggestions for programs, projects, and events that can help to improve pollution prevention efforts? Please fill out this form with your feedback, via our online form.
MS4 General Permit
Registration Statement
Report a Suspected MS4 Violation
Anonymously report a suspected MS4 violation, via our online form.
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Stormwater AdministratorPhone: (540) 347-1101
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Administration
Mailing Address
PO Box 341
Warrenton, VA 20188