Emergency Dispatch: (703) 335-7990

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Water Quality Reports

The U.S. Environmental Protection Agency requires all water utilities to produce annual water quality reports that convey important information and characteristics about the water they provide to their customers. To view the most recent Prince William County Service Authority water quality report for your service area, please select the hyperlinked report below that corresponds to your account location.

2023 Reports

Haga clic aquí para ver los informes en español

Which water system am I part of? View a map of the Prince William County water system.

Most of the drinking water the Service Authority provides to customers throughout Prince William County is treated at facilities owned and operated by Fairfax Water. For more information about Fairfax Water’s water quality, click here.

If you have questions about your water quality, please contact the Service Authority’s Regulatory Affairs Office at (703) 331-4162 or email water_quality@pwcsa.org.

2022 Reports

2021 Reports

2020 Reports