County · Texas
Hill County, Texas: drinking water records
This overview covers 15 ZIP codes and 38 community water systems in Hill 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 |
|---|---|---|---|---|---|
| City of Hillsboro TX1090001 | 8,867 | 600 | 6 | 0 | 5 ppb |
| Files Valley WSC TX1090035 | 4,776 | 120 | 2 | 0 | 0 ppb |
| Hill County WSC TX1090041 | 4,383 | 480 | 3 | 0 | 0 ppb |
| Cedar Creek Water System TX1090012 | 3,720 | 240 | 0 | 0 | 0 ppb |
| Post Oak SUD TX1090030 | 3,117 | 0 | 0 | 1 | 0 ppb |
| Woodrow Osceola WSC Blanton Well Plant 1 TX1090025 | 2,526 | 0 | 0 | 1 | 0 ppb |
| Birome WSC TX1090017 | 2,018 | 0 | 0 | 6 | 0 ppb |
| Brandon-Irene WSC TX1090018 | 2,000 | 0 | 0 | 1 | 2.6 ppb |
| City of Hubbard TX1090002 | 1,917 | 0 | 0 | 1 | 0 ppb |
| City of Itasca TX1090003 | 1,625 | 0 | 0 | 1 | 0 ppb |
| Woodrow Osceola WSC Pleasant Vw TX1090067 | 1,584 | 0 | 0 | 1 | 0 ppb |
| Chatt WSC TX1090020 | 846 | 0 | 0 | 1 | 0 ppb |
| Woodrow Osceola WSC Osceola TX1090064 | 669 | 0 | 0 | 1 | 0 ppb |
| City of Blum TX1090007 | 444 | 0 | 0 | 1 | 0 ppb |
| Whitney Resorts TX1090075 | 289 | 0 | 0 | 1 | 0 ppb |
| Chisolm Trail Retreat TX1090042 | 183 | 0 | 0 | 1 | 0.6 ppb |
| City of Mertens TX1090024 | 180 | 0 | 0 | 1 | 0 ppb |
| Cedar Crest Colony WSC TX1090036 | 132 | 0 | 0 | 1 | 0 ppb |
| City of Carls Corner TX1090070 | 130 | 0 | 0 | 1 | 0.4 ppb |
| Aquilla WSC TX1090016 | 106 | 0 | 0 | 1 | 0 ppb |
| Tres Vidas Subdivision TX1090069 | 90 | 0 | 0 | 1 | 0 ppb |
| White Bluff TX1090073 | 2,319 | 0 | 0 | 0 | 0 ppb |
| City of Whitney TX1090006 | 2,237 | 0 | 0 | 0 | 0 ppb |
| Lakeshore Water System TX1090008 | 1,386 | 0 | 0 | 0 | 0 ppb |
| Murray Hill Water System TX1090014 | 1,320 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Hill 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: 76622.
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.