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PFAS in Texas drinking water

1,120 community water systems tested

9.4%
of tested systems detected PFOA or PFOS
(105/1,120)

PFAS — “forever chemicals” — are synthetic compounds that accumulate in the body and are linked to cancer, liver damage and immune effects. In 2024 the EPA set enforceable limits of 4 parts per trillion each for PFOA and PFOS. These are the only nationwide PFAS measurements, from the EPA’s UCMR-5 program.

Water systems

PFAS value per system, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Systems that detected PFOA or PFOS are highlighted and listed first. “Not detected” means the contaminant was measured but not found.
SystemCityPopulationPFAS (ug/L)
CITY OF GRAND PRAIRIE 201,843 0.0820 ug/L
TOWN OF ANTHONY 5,555 0.0331 ug/L
HAWLEY WSC 8,436 0.0323 ug/L
CITY OF ABILENE 130,501 0.0300 ug/L
CITY OF BOERNE 24,769 0.0263 ug/L
POTOSI WSC 7,413 0.0210 ug/L
DYESS AIR FORCE BASE 7,183 0.0210 ug/L
CITY OF TYE 1,176 0.0204 ug/L
EULA WSC 3,918 0.0200 ug/L
CITY OF CLYDE 3,820 0.0150 ug/L
CITY OF PFLUGERVILLE 63,464 0.0144 ug/L
439 WSC 7,836 0.0137 ug/L
MANVILLE WSC 39,648 0.0124 ug/L
CITY OF TERRELL 18,432 0.0104 ug/L
CITY OF DUBLIN 3,388 0.0098 ug/L
SPENCER ROAD PUD 5,607 0.0097 ug/L
BROWNSVILLE PUBLIC UTILITIES BOARD 201,249 0.0092 ug/L
CITY OF HUNTSVILLE 48,522 0.0089 ug/L
EL PASO WATER UTILITIES 747,168 0.0085 ug/L
CITY OF FORT WORTH 955,900 0.0083 ug/L
CASH SUD 25,875 0.0081 ug/L
CITY OF HALTOM CITY 46,260 0.0077 ug/L
WINDERMERE COMMUNITY 21,231 0.0075 ug/L
CITY OF DONNA 18,720 0.0074 ug/L
CITY OF GREENVILLE 33,354 0.0073 ug/L
SOUTH TAWAKONI WSC 5,205 0.0073 ug/L
CITY OF LIVINGSTON 15,199 0.0069 ug/L
SHARYLAND WSC 68,562 0.0068 ug/L
CLEAR LAKE CITY WATER AUTHORITY 89,702 0.0067 ug/L
CITY OF POINT 3,600 0.0065 ug/L
DALLAS WATER UTILITY 1,356,479 0.0063 ug/L
MOUNTAIN PEAK SUD 23,988 0.0062 ug/L
CITY OF WEBSTER 13,710 0.0062 ug/L
CITY OF BAYTOWN 86,004 0.0060 ug/L
CITY OF PORT LAVACA 12,000 0.0060 ug/L
CITY OF WESLACO 40,033 0.0059 ug/L
WEST BELL COUNTY WSC 4,842 0.0059 ug/L
CITY OF GEORGETOWN 191,639 0.0057 ug/L
CITY OF KELLER 46,308 0.0057 ug/L
JONAH WATER SUD 29,861 0.0057 ug/L
EAST RIO HONDO WSC 24,756 0.0056 ug/L
CITY OF GRAPEVINE 52,346 0.0055 ug/L
CITY OF UNIVERSITY PARK 25,617 0.0055 ug/L
COLLEGE MOUND SUD 13,200 0.0055 ug/L
TRAVIS COUNTY WCID 10 9,204 0.0055 ug/L
HARRIS COUNTY WCID 1 8,559 0.0055 ug/L
CITY OF WEATHERFORD 35,903 0.0054 ug/L
CITY OF FORNEY 29,692 0.0054 ug/L
CITY OF COLLEYVILLE 26,599 0.0054 ug/L
CITY OF WEST UNIVERSITY PLACE 19,200 0.0054 ug/L
SJWTX TRIPLE PEAK PLANT 32,973 0.0052 ug/L
CITY OF SEAGOVILLE 20,156 0.0051 ug/L
MACBEE SUD 7,548 0.0051 ug/L
CITY OF COCKRELL HILL 3,855 0.0051 ug/L
CITY OF TAYLOR 20,622 0.0050 ug/L
CITY OF WHITE SETTLEMENT 18,522 0.0050 ug/L
GBRA CALHOUN COUNTY RURAL WATER SYSTEM 4,482 0.0050 ug/L
CITY OF IRVING 264,546 0.0049 ug/L
CITY OF PASADENA 152,000 0.0049 ug/L
CITY OF TEMPLE 94,935 0.0049 ug/L
CITY OF AUSTIN WATER & WASTEWATER 1,115,323 0.0048 ug/L
CITY OF LEAGUE CITY 149,557 0.0048 ug/L
CITY OF MIDLOTHIAN 27,699 0.0048 ug/L
MONTGOMERY TRACE WATER SYSTEM 25,917 0.0048 ug/L
CITY OF SAN BENITO 24,250 0.0048 ug/L
TALTY SUD 15,987 0.0048 ug/L
TOWN OF PROSPER 42,598 0.0047 ug/L
CITY OF FARMERS BRANCH 40,246 0.0047 ug/L
CITY OF DEER PARK 34,495 0.0047 ug/L
CITY OF CHILDRESS 6,105 0.0047 ug/L
CITY OF ARLINGTON 413,955 0.0046 ug/L
CLEAR BROOK CITY MUD 18,108 0.0046 ug/L
EL JARDIN WSC 9,423 0.0046 ug/L
FORT BEND COUNTY MUD 133 7,362 0.0046 ug/L
CITY OF CAMERON 5,489 0.0046 ug/L
HARRIS COUNTY MUD 8 3,271 0.0046 ug/L
CITY OF MIDLAND WATER PURIFICATION PLANT 157,000 0.0045 ug/L
CITY OF EDINBURG 85,224 0.0045 ug/L
CITY OF SAN JUAN 30,000 0.0045 ug/L
OLMITO WSC 8,952 0.0045 ug/L
CITY OF HILLSBORO 8,867 0.0045 ug/L
CITY OF LAKE WORTH 4,720 0.0045 ug/L
CITY OF PEARLAND 125,828 0.0044 ug/L
TOWN OF FLOWER MOUND 80,000 0.0044 ug/L
CITY OF DUNCANVILLE 39,413 0.0044 ug/L
SPRINGS HILL SUD 35,541 0.0044 ug/L
CITY OF BIG SPRING 27,282 0.0044 ug/L
CITY OF BEDFORD 49,941 0.0043 ug/L
GASTONIA SCURRY SUD 11,169 0.0043 ug/L
BIG OAKS MUD 6,450 0.0043 ug/L
CITY OF NORTH RICHLAND HILLS 74,859 0.0042 ug/L
CITY OF BALCH SPRINGS 28,300 0.0042 ug/L
CITY OF SOUTH HOUSTON 17,397 0.0042 ug/L
CITY OF LEVELLAND 12,652 0.0042 ug/L
FORT BEND COUNTY MUD 142 11,595 0.0042 ug/L
FORT BEND COUNTY MUD 165 4,314 0.0042 ug/L
CITY OF SUGAR LAND 90,909 0.0041 ug/L
CITY OF COPPERAS COVE 41,669 0.0041 ug/L
CITY OF SOUTHLAKE 31,576 0.0041 ug/L
CITY OF GALENA PARK 10,487 0.0041 ug/L