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Water & Sewer

City of Hagerstown Wastewater Divisions:Public water service and fire protection water are available in the Urban Growth Area of Washington County. Public sewer service is available in the Antietam Drainage Basin.

  • Combined Average Daily Flow: 8.32 million gallons per day (MGD)

R.C. Willson Water Treatment Plant (Primary Plant):

  • Capacity: 20.0 MGD from the Potomac River.
  • Average Daily Flow: 11.3 MGD

William M. Breichner Water Treatment Plant (Secondary Plant):

  • Capacity: 4.8 MGD from the Edgemont Reservoir.
  • Average Daily Flow: .02 MGD

Municipal systems in Boonsboro, Clear Spring, Funkstown and Hancock also provide water and sewer service.

Washington County Department of Environmental Management: Public water and sewer services are provided in the non-incorporated areas of Washington County and the incorporated town of Sharpsburg. Full sewer service is provided to the incorporated town of Keedysville and sewer treatment is only provided to Smithsburg and Williamsport. Laboratory services are also available for county municipalities, local industries, and homeowners.

Conococheague Wastewater Treatment Plant:

  • Permitted Flow: 4.1 MGD
  • Average Daily Flow: 2.522 MGD
  • Service Area: 70/81 Industrial Park, Halfway, Hopewell Road Corridor, Hunters Green Business Center, Kemps Mill, Newgate Industrial Park, Route 63 Corridor, and St. James.


Spirit Services, Inc.: A private corporation that provides treatment for industrial strength wastes at the Conococheague Industrial Pretreatment Facility (CIPF).


  • Design Flow: 125,000 GDP
  • Average Daily Flow: 83,582 gallons daily
  • Services: Treatment and disposal of non-regulated liquid waste containing petroleum products, metals, and high levels of Biochemical Oxygen Demand, emulsions, and other contaminants. CIPF is the designated treatment facility for septic tanks, holding tanks, and chemical toliet waste treatment in Washington County.

100 W Washington St., Suite 1401
Hagerstown, MD 21740
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