County · Texas
Johnson County, Texas: drinking water records
This overview covers 11 ZIP codes and 57 community water systems in Johnson 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 Keene TX1260008 | 6,863 | 455 | 1 | 1 | 1.5 ppb |
| City of Venus TX1260006 | 3,816 | 120 | 3 | 5 | 1.7 ppb |
| Johnson County SUD TX1260018 | 65,517 | 1,200 | 4 | 0 | 2.7 ppb |
| City of Burleson TX1260002 | 53,381 | 120 | 4 | 0 | 3.8 ppb |
| City of Cleburne TX1260003 | 34,075 | 120 | 1 | 0 | 0 ppb |
| Bethesda WSC TX1260017 | 33,441 | 720 | 1 | 0 | 1.7 ppb |
| City of Alvarado TX1260001 | 6,614 | 120 | 3 | 0 | 1.7 ppb |
| Bethany SUD TX1260016 | 4,503 | 480 | 1 | 0 | 1.5 ppb |
| Metroplex Homesteads Water Supply TX1260074 | 3,588 | 240 | 0 | 0 | 0 ppb |
| City of Rio Vista TX1260022 | 1,040 | 0 | 0 | 1 | 0 ppb |
| Crest Water TX1260123 | 1,026 | 0 | 0 | 1 | 1.5 ppb |
| Northcrest Addition TX1260034 | 744 | 0 | 0 | 1 | 1.7 ppb |
| Fishermans Paradise TX1260056 | 351 | 0 | 0 | 1 | 1.1 ppb |
| Granda Vista TX1260120 | 294 | 0 | 0 | 1 | 2 ppb |
| City of Cresson TX1260053 | 285 | 0 | 0 | 1 | 2.1 ppb |
| Rolling Oaks Subdivision TX1260064 | 252 | 0 | 0 | 1 | 0.8 ppb |
| Mansfield South TX1260066 | 246 | 0 | 0 | 1 | 0.7 ppb |
| Sunshine Country Acres TX1260069 | 219 | 0 | 0 | 3 | 0 ppb |
| Woodland Oaks Estates TX1260070 | 189 | 0 | 0 | 1 | 0 ppb |
| Thomas Acres TX1260068 | 165 | 0 | 0 | 1 | 0.6 ppb |
| Oak Leaf Trail TX1260104 | 132 | 0 | 0 | 1 | 0 ppb |
| Westlake Village Mobile Home Park TX1260098 | 132 | 0 | 0 | 1 | 0 ppb |
| Cahill Country Water System TX1260073 | 123 | 0 | 0 | 1 | 1 ppb |
| Westover Hills TX1260128 | 120 | 0 | 0 | 1 | 5 ppb |
| Oakridge Mobile Home Subdivision TX1260124 | 60 | 0 | 0 | 1 | 0.9 ppb |
ZIP reports in Johnson 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.