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Laurel, Md. – April 1, 2024 – WSSC Water today released its annual water quality report, which provides important information about the source of drinking water, how it is filtered and purified, and detailed laboratory results. The report also highlights the men and women of WSSC Water who work 24/7/365 to ensure exceptional water quality – from source to tap. Thanks to their relentless commitment to safety, service and reliability, Maryland’s largest water utility has achieved 106 years without a single drinking water quality violation.

“I am extremely proud of the men and women of WSSC Water for their dedication and passion toward delivering high quality drinking water to our 1.9 million Prince George’s and Montgomery County customers,” said General Manager and CEO Kishia L. Powell. “Despite our exceptional track record of water quality excellence, we are not resting on our laurels. As an anchor institution, we recognize that our work is a building block that uplifts communities, and we remain laser focused on protecting public and environmental health.”

WSSC Water’s Silver Spring laboratory performs more than 500,000 water quality tests each year. The report details important water quality topics, including:

  • Where your water comes from
  • Impacts on water quality
  • How and why we test your drinking water
  • An explanation of the filtration process
  • Detailed water quality results
  • Federal funding advocacy
  • WSSC Water’s Smart One Water Vision
  • Piscataway Bioenergy Project

The 2023 Water Quality Report is available online at Customers may also request a hard copy by calling WSSC Water’s Communications Office at 301-206-8100 or emailing

WSSC Water is the proud provider of safe, seamless and satisfying water services, making the essential possible every day for our neighbors in Montgomery and Prince George’s counties. We work to deliver our best because it’s what our customers expect and deserve.