County · Texas
Brewster County, Texas: drinking water records
This overview covers 5 ZIP codes and 7 community water systems in Brewster 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 Alpine TX0220001 | 6,000 | 240 | 0 | 1 | 2.1 ppb |
| Study Butte Terlingua Water System TX0220035 | 888 | 0 | 0 | 6 | 1.8 ppb |
| Mcelroy Ranch Water System TX0220040 | 45 | 0 | 0 | 1 | 4.9 ppb |
| Lajitas on the Rio Grande TX0220018 | 942 | 0 | 0 | 0 | 0 ppb |
| Marathon Water Supply & Sewer Service TX0220013 | 430 | 0 | 0 | 0 | 0.6 ppb |
| Panther Junction Plt TX0220020 | 300 | 0 | 0 | 0 | 2.7 ppb |
| Crystal Lake MHP, LLC NE3104308 | 100 | 0 | 0 | 0 | 0.0 ppb |
ZIP reports in Brewster 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.