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MS4 Program

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Municipal Separate Storm Sewer System (MS4) Keeping pollution out of the storm sewer system.

DEQ Regulation
Program Description

Augusta County is required to have a Municipal Separate Storm Sewer System (MS4) permit for urbanized areas to prevent the discharge of pollutants such as pet waste, trash, engine oil and fertilizers into waterways. 

 Augusta County MS4 Urbanized Area Map (link)


The MS4 program must be designed and implemented to control the discharge of pollutants from their storm sewer system to the maximum extent practicable in a manner that protects the water quality in nearby streams, rivers, wetlands and bays.  The County's MS4 Program Plan is a living document and will be updates and changes to better meet the Department of Environmental Quality and our communities needs. With this in mind, please feel free to leave comments about the Program Plan or suggestions for the MS4 program in general in the form bellow

Documents for review:

Augusta County MS4 Program Plan 2018-2023

Illicit Discharge Detection and Elimination Ordinance

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