County · Texas
Washington County, Texas: drinking water records
This overview covers 5 ZIP codes and 10 community water systems in Washington County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| City of Burton TX2390002 | 315 | 60 | 1 | 5 | 0 ppb |
| City of Brenham TX2390001 | 18,469 | 120 | 2 | 0 | 0 ppb |
| Central Washington County WSC TX2390055 | 2,270 | 0 | 0 | 12 | 0 ppb |
| Oak Hill FWSD 1 TX2390005 | 445 | 0 | 0 | 2 | 0 ppb |
| Gun & Rod Estates TX2390021 | 219 | 0 | 0 | 1 | 0.8 ppb |
| Lake Forest Water System TX2390012 | 95 | 0 | 0 | 1 | 5 ppb |
| Holiday Oaks Subdivision TX2390019 | 85 | 0 | 0 | 1 | 0 ppb |
| Northeast Washington County TX2390043 | 3,219 | 0 | 0 | 0 | 2.2 ppb |
| Chappell Hill WSC TX2390003 | 645 | 0 | 0 | 0 | 0 ppb |
| Starlite Mobile Home Park TX2390013 | 195 | 0 | 0 | 0 | 2.6 ppb |
ZIP reports in Washington County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.