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Water Quality

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The Washington County Department of Water Quality urges citizens whose plumbing is serviced by the County to participate in a public survey. The purpose of the survey is to identify households in Washington County, MD that might have lead in their drinking water.

Water Quality


As a critical component of Washington County’s infrastructure, the Department of Water Quality’s mission is clear, to protect the environment and public health by providing safe, reliable, and cost effective water and waste water services in compliance with local, state, and federal regulations to the citizens of Washington County.


The Department of Water Quality envisions exceeding our customers’ expectations by maintaining an exceptional level of reliable service and customer service in the most cost effective manner utilizing best available technologies in support of Washington County’s mission and goals.


Department of Water Quality

16232 Elliott Parkway
Williamsport, MD 21795

Office Hours: Monday – Friday, 7:30 a.m. – 4:00 p.m.

Phone: 240-313-2600
Fax: 240-313-2601

TTY users may call any government office through the Maryland Relay Service 1-800-735-2258