Frederick County

Click on image to see water supply system diagram

*Note that diagram is simply a schematic representation of the major components of the water supply system. It is not drawn to scale, and symbols do not represent actual volumes or geographic orientation.

Your Water Supply

• Water Source

Much of Frederick County gets its water from the Frederick County Division of Utilities and Solid Waste Management (DUSWM). The DUSWM serves unincorporated areas and those not served by individual wells.
The DUSWM draws water from the Potomac River and from Lake Linganore.


• Water Treatment

Frederick County Division of Utilities and Solid Waste Management has two water treatment plants. The New Design Water Treatment Plant on the Potomac can treat 6.6 mgd and serves southern and southeastern parts of the county. The Lake Linganore Water Treatment Plant can treat 2 mgd and serves eastern Frederick County.


• Water Quality

Please refer to a copy of the county's water quality report .


• Contact Information

Address: Frederick County Division of Utilities and Solid Waste Management, 7303 Marcie's Choice Lane, Frederick, MD, 21704
Phone: 301-694-1825