County · Texas
Uvalde County, Texas: drinking water records
This overview covers 5 ZIP codes and 10 community water systems in Uvalde County. It also stands in for 1 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 |
|---|---|---|---|---|---|
| Knippa WSC TX2320004 | 933 | 60 | 0 | 1 | 1.9 ppb |
| City of Uvalde TX2320002 | 17,450 | 450 | 0 | 0 | 1.6 ppb |
| City of Sabinal TX2320001 | 2,301 | 0 | 0 | 2 | 0.8 ppb |
| Concan WSC TX2320032 | 1,488 | 0 | 0 | 4 | 0.9 ppb |
| Martinez Ranch Subdivision TX2320061 | 150 | 0 | 0 | 1 | 1.6 ppb |
| Windmill WSC TX2320018 | 2,900 | 0 | 0 | 0 | 0 ppb |
| Utopia WSC TX2320045 | 780 | 0 | 0 | 0 | 6 ppb |
| Frio Cielo Ranch Association Water Syste TX2320051 | 227 | 0 | 0 | 0 | 2 ppb |
| Highway 117 WSC TX2320040 | 186 | 0 | 0 | 0 | 1.7 ppb |
| Fort Inge Mobile Home Park TX2320013 | 27 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Uvalde County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 78802.
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.