Texas Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), Texas has 4,620 active community water systems in this extract. PlainEnviro's health-based slice lists 35,693 violation records across 50 systems with at least one such row. These are historical EPA registry counts, not a statewide drinkability score.
Health-based violation records for 4,620 community water systems in Texas. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | CITY OF BRADY WATER SYSTEM Brady | 1013 | Yes |
| 2 | TEMPE WSC 1 Livingston | 573 | Yes |
| 3 | STORMLIGHT MOBILE HOME PARK Lubbock | 350 | Yes |
| 4 | VALLEY ESTATES Shallowater | 349 | Yes |
| 5 | CITY OF NOME Nome | 331 | Yes |
| 6 | CITY OF ROSE CITY Vidor | 313 | Yes |
| 7 | CITY OF SEAGRAVES Seagraves | 311 | Yes |
| 8 | CITY OF OPDYKE WEST Levelland | 307 | Yes |
| 9 | CITY OF PLAINS Plains | 304 | Yes |
| 10 | FOREST WSC Wells | 301 | Yes |
| 11 | SEVEN ESTATES Wolfforth | 293 | Yes |
| 12 | KENDALL COUNTY WCID 1 Comfort | 289 | Yes |
| 13 | MILLERSVIEW DOOLE WSC Millersview | 280 | Yes |
| 14 | CITY OF MASON Mason | 276 | Yes |
| 15 | CITY OF NEW HOME New Home | 252 | Yes |
| 16 | TOWN NORTH ESTATES Lubbock | 243 | Yes |
| 17 | KLONDIKE ISD Lamesa | 242 | Yes |
| 18 | ROWENA WSC Rowena | 239 | Yes |
| 19 | CITY OF SEMINOLE Seminole | 234 | Yes |
| 20 | VILLAGE OF SURFSIDE BEACH Surfside Beach | 229 | Yes |
| 21 | RAMBLE RIDGE SUBDIVISION Houston | 226 | Yes |
| 22 | BARKSDALE WSC Barksdale | 225 | Yes |
| 23 | PLOTT ACRES Lubbock | 223 | Yes |
| 24 | RRA PRESTON SHORES WATER SYSTEM Wichita Falls | 221 | Yes |
| 25 | ELLINGER SEWER AND WSC Ellinger | 200 | Yes |
| 26 | CITY OF WELLMAN Wellman | 193 | Yes |
| 27 | CITY OF WOLFFORTH Wolfforth | 190 | Yes |
| 28 | LAKEWOOD WATER SYSTEM Huntington | 190 | Yes |
| 29 | CITY OF HUXLEY Shelbyville | 186 | Yes |
| 30 | COUNTRY VIEW MHP Shallowater | 183 | Yes |
| 31 | PRAIRIE GROVE Lufkin | 182 | Yes |
| 32 | GRASSLAND WSC Tahoka | 182 | Yes |
| 33 | EOL WSC Axtell | 180 | Yes |
| 34 | PB & SC WATER SUPPLY CORPORATION Pointblank | 173 | Yes |
| 35 | SPRING CREEK PURE UTILITIES Cypress | 172 | Yes |
| 36 | RAYBURN COUNTRY MUD Jasper | 169 | Yes |
| 37 | DUVAL COUNTY CRD BENAVIDES Benavides | 168 | Yes |
| 38 | TRI COUNTY SUD Marlin | 166 | Yes |
| 39 | ARIMAK WATER SUPPLY Kerrville | 165 | Yes |
| 40 | RIVER BEND WATER SERVICES Matagorda | 165 | Yes |
| 41 | CITY OF NEW SUMMERFIELD New Summerfield | 164 | Yes |
| 42 | CITY OF SMYER Smyer | 163 | Yes |
| 43 | RRA GUTHRIE DUMONT WATER SYSTEM Wichita Falls | 163 | Yes |
| 44 | SOUTH MIDLAND COUNTY WATER SYSTEM Barker | 163 | Yes |
| 45 | TOWN NORTH VILLAGE WATER SYSTEM Lubbock | 160 | Yes |
| 46 | WELCH WSC Welch | 159 | Yes |
| 47 | LAKELAND SERVICES Brady | 158 | Yes |
| 48 | POWELL POINT WATER SYSTEM Huntington | 158 | Yes |
| 49 | RIO BRAZOS WATER SYSTEM Snyder | 156 | Yes |
| 50 | CITY OF DODSON Dodson | 155 | Yes |
Most Common Contaminants in Texas
| Contaminant | Violations | Systems Affected |
|---|---|---|
| TTHM | 11,255 | 477 |
| Arsenic | 6,232 | 112 |
| Fluoride | 2,990 | 39 |
| Nitrate | 2,538 | 76 |
| Combined Radium (-226 and -228) | 2,465 | 45 |
| Gross Alpha, Excl. Radon and U | 2,380 | 72 |
| Total Haloacetic Acids (HAA5) | 2,294 | 153 |
| LEAD AND COPPER RULE REVISIONS | 1,115 | 1,007 |
| Interim Enhanced Surface Water Treatment Rule | 1,062 | 86 |
| Lead and Copper Rule | 846 | 230 |
| Long Term 2 Enhanced Surface Water Treatment Rule | 757 | 18 |
| Combined Uranium | 520 | 15 |
| Revised Total Coliform Rule | 371 | 173 |
| Coliform (TCR) | 170 | 93 |
| Selenium | 144 | 5 |
Cities with Water Quality Issues
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About This Data
Water quality data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. Only community water systems (CWS) in Texas are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.