County · Texas
Limestone County, Texas: drinking water records
This overview covers 8 ZIP codes and 18 community water systems in Limestone 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 Mexia TX1470004 | 7,459 | 120 | 0 | 1 | 2.1 ppb |
| City of Groesbeck TX1470002 | 4,250 | 120 | 1 | 19 | 0 ppb |
| Point Enterprise WSC TX1470010 | 2,388 | 0 | 0 | 1 | 0 ppb |
| Prairie Hill WSC TX1470011 | 2,150 | 0 | 0 | 38 | 0 ppb |
| White Rock WSC 2 Forest Glade TX1470026 | 1,968 | 0 | 0 | 1 | 0 ppb |
| Slc WSC TX1470031 | 1,749 | 0 | 0 | 32 | 6 ppb |
| City of Coolidge TX1470001 | 786 | 0 | 0 | 3 | 0 ppb |
| Shiloh WSC TX1470012 | 615 | 0 | 0 | 1 | 0 ppb |
| White Rock WSC 3 West Lake Mexia TX1470027 | 602 | 0 | 0 | 1 | 0 ppb |
| City of Thornton Water System TX1470005 | 530 | 60 | 0 | 0 | 0 ppb |
| White Rock WSC 1 White Rock TX1470014 | 282 | 0 | 0 | 1 | 0 ppb |
| Green Lake Estates Water Supply TX1470034 | 66 | 0 | 0 | 3 | 0 ppb |
| Bistone Municipal Water Supply TX1470006 | 768 | 0 | 0 | 0 | 0 ppb |
| City of Kosse TX1470003 | 461 | 0 | 0 | 0 | 0 ppb |
| Hhsc Mexia State Supported Living Center TX1470009 | 256 | 0 | 0 | 0 | 0 ppb |
| City of Tehuacana TX1470013 | 224 | 0 | 0 | 0 | 0 ppb |
| Cedar Creek Water Supply TX1470021 | 207 | 0 | 0 | 0 | 0 ppb |
| Big Creek West Subdivision Water Sytem TX1470032 | 57 | 0 | 0 | 0 | 2.6 ppb |
ZIP reports in Limestone 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.