Tap WaterIndex State rankings

← All states

Texas tap water quality

4,615 community water systems

Lead by system → PFAS by system →
3.7%
exceed lead action level
(164/4453 systems)
9.4%
PFOA/PFOS detected
(105/1120 systems)

Largest water systems

Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the EPA action level. “—” means no lead sample is on file for that system.
SystemCityPopulationLead (p90)
CITY OF HOUSTON 2,970,543 0.0069 mg/L
SAN ANTONIO WATER SYSTEM 2,643,729 0.0060 mg/L
DALLAS WATER UTILITY 1,356,479 0.0043 mg/L
CITY OF AUSTIN WATER & WASTEWATER 1,115,323 0.0030 mg/L
CITY OF FORT WORTH 955,900 0.0086 mg/L
EL PASO WATER UTILITIES 747,168 0.0043 mg/L
CITY OF ARLINGTON 413,955 0.0033 mg/L
CITY OF CORPUS CHRISTI 318,387 0.0057 mg/L
CITY OF PLANO 292,059 0.0072 mg/L
LUBBOCK PUBLIC WATER SYSTEM 275,041 0.0031 mg/L
CITY OF IRVING 264,546 0.0048 mg/L
CITY OF LAREDO 260,046 0.0040 mg/L
CITY OF GARLAND 248,822 0.0046 mg/L
CITY OF FRISCO 231,910 0.0073 mg/L
CITY OF MCKINNEY 224,043 0.0092 mg/L
CITY OF GRAND PRAIRIE 201,843 0.0039 mg/L
AMARILLO MUNICIPAL WATER SYSTEM 201,291 0.0031 mg/L
BROWNSVILLE PUBLIC UTILITIES BOARD 201,249 0.0043 mg/L
CITY OF GEORGETOWN 191,639 0.0053 mg/L
MCALLEN PUBLIC UTILITY 189,957 0.0084 mg/L
NORTH ALAMO WSC 171,195 0.0040 mg/L
CITY OF KILLEEN 161,027 0.0033 mg/L
CITY OF MIDLAND WATER PURIFICATION PLANT 157,000 0.0043 mg/L
CITY OF MESQUITE 152,020 0.0052 mg/L
CITY OF PASADENA 152,000 0.0060 mg/L
CITY OF DENTON 150,037 0.0044 mg/L
CITY OF LEAGUE CITY 149,557 0.0070 mg/L
CITY OF WACO 146,241 0.0099 mg/L
CITY OF LEWISVILLE 140,880 0.0059 mg/L
CITY OF CARROLLTON 136,170 0.0069 mg/L
CITY OF ROUND ROCK 130,662 0.0068 mg/L
CITY OF ABILENE 130,501 0.0045 mg/L
CITY OF PEARLAND 125,828 0.0043 mg/L
CITY OF ODESSA 123,334 0.0045 mg/L
CITY OF RICHARDSON 122,615 0.0048 mg/L
NEW BRAUNFELS UTILITIES 116,477 0.0037 mg/L
CITY OF BEAUMONT WATER UTILITY DEPT 115,282 0.0036 mg/L
CITY OF CONROE 113,912 0.0074 mg/L
CITY OF ALLEN 113,746 0.0036 mg/L
MUSTANG SUD 110,826 0.0019 mg/L
CITY OF TYLER 107,000 0.0081 mg/L
CITY OF SAN ANGELO 105,229 0.0105 mg/L
CITY OF COLLEGE STATION 104,103 0.0038 mg/L
CITY OF WICHITA FALLS 102,316 0.0032 mg/L
CITY OF LEANDER 98,330 0.0061 mg/L
CITY OF TEMPLE 94,935 0.0038 mg/L
CITY OF BRYAN 91,031 0.0045 mg/L
CITY OF SUGAR LAND 90,909 0.0048 mg/L
CLEAR LAKE CITY WATER AUTHORITY 89,702 0.0038 mg/L
CITY OF MANSFIELD 89,227 0.0030 mg/L
CITY OF CEDAR PARK 86,939 0.0040 mg/L
AQUA WSC 86,325 0.0047 mg/L
CITY OF BAYTOWN 86,004 0.0061 mg/L
HARLINGEN WATER WORKS SYSTEM 85,900 0.0047 mg/L
CITY OF EDINBURG 85,224 0.0026 mg/L
CITY OF LONGVIEW 83,236 0.0041 mg/L
CITY OF HOUSTON UD 5 - KINGWOOD 80,073 0.0040 mg/L
TOWN OF FLOWER MOUND 80,000 0.0042 mg/L
CITY OF PHARR 79,715 0.0064 mg/L
CITY OF MISSION 77,058 0.0041 mg/L
CITY OF NORTH RICHLAND HILLS 74,859 0.0055 mg/L
CITY OF SAN MARCOS 72,970 0.0049 mg/L
SOUTHERN UTILITIES 69,735 0.0040 mg/L
SHARYLAND WSC 68,562 0.0016 mg/L
CITY OF ROWLETT 68,123 0.0057 mg/L
CITY OF VICTORIA 66,932 0.0033 mg/L
JOHNSON COUNTY SUD 65,517 0.0045 mg/L
CITY OF PFLUGERVILLE 63,464 0.0059 mg/L
CITY OF EULESS 61,601 0.0039 mg/L
CITY OF TEXAS CITY 61,541 0.0034 mg/L
LOWER VALLEY WATER DISTRICT 59,049 0.0029 mg/L
TEXAS A&M UNIVERSITY MAIN CAMPUS 58,500 0.0120 mg/L
CITY OF DESOTO 57,999 0.0035 mg/L
CITY OF PORT ARTHUR 56,039 0.0137 mg/L
CITY OF ROCKWALL 55,250 0.0068 mg/L
CITY OF EAGLE PASS 54,900 0.0026 mg/L
AGUA SUD 53,796 0.0045 mg/L
CITY OF BURLESON 53,381 0.0074 mg/L
CITY OF CELINA 52,701 0.0065 mg/L
GREEN VALLEY SUD 52,497 0.0065 mg/L
CITY OF GRAPEVINE 52,346 0.0069 mg/L
CITY OF GALVESTON 52,326 0.0075 mg/L
CITY OF KYLE 52,000 0.0035 mg/L
CITY OF LUFKIN 51,236 0.0034 mg/L
CITY OF CEDAR HILL 50,904 0.0061 mg/L
CITY OF WAXAHACHIE 50,814 0.0068 mg/L
CITY OF NACOGDOCHES 50,226 0.0054 mg/L
CITY OF BEDFORD 49,941 0.0031 mg/L
FORT BEND COUNTY WCID 2 49,173 0.0062 mg/L
CITY OF HUNTSVILLE 48,522 0.0068 mg/L
CITY OF WYLIE 48,393 0.0064 mg/L
LAGUNA MADRE WATER DISTRICT 46,674 0.0074 mg/L
ROCKETT SUD 46,614 0.0018 mg/L
CITY OF KELLER 46,308 0.0049 mg/L
CITY OF HALTOM CITY 46,260 0.0070 mg/L
CITY OF THE COLONY 45,367 0.0045 mg/L
TRAVIS COUNTY WCID 17 45,165 0.0067 mg/L
CLWSC CANYON LAKE SHORES 44,196 0.0079 mg/L
CITY OF SHERMAN 43,645 0.0030 mg/L
TEXAS STATE UNIVERSITY - SAN MARCOS 43,552 0.0050 mg/L