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. The document contains information for each water system operated by Prince William Water.
Which water system am I part of? View a map of the Prince William County water system.
Most of the drinking water Prince William Water 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, visit FairfaxWater.org.
If you have questions about your water quality, please contact Prince William Water’s Regulatory Affairs Office at 703-331-4162 or email water_quality@pwwater.org.
2026 Water Quality Report
Includes information about our Bull Run Mountain and Evergreen System, East System, West System, Hoadly Manor, and Carter's Grove.
Past Reports
-
The 2025 Water Quality Report combined all five distribution systems into one convenient document.
-
The 2024 Water Quality Report combined all five drinking water distribution systems into one convenient document.
-