PFAS in Arizona drinking water
161 community water systems tested
14.9%
of tested systems detected PFOA or PFOS
(24/161)
(24/161)
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.
| System | City | Population | PFAS (ug/L) |
|---|---|---|---|
| TEMPE CITY OF | TEMPE | 165,000 | 0.0558 ug/L |
| PAYSON TOWN OF | PAYSON | 17,682 | 0.0422 ug/L |
| LIBERTY WATER RIO RICO | RIO RICO | 17,960 | 0.0409 ug/L |
| MARANA MUNICIPAL - HARTMAN VISTAS | MARANA | 5,248 | 0.0230 ug/L |
| BIG PARK WATER COMPANY | SEDONA | 7,392 | 0.0210 ug/L |
| EPCOR - SAN TAN ANTHEM | JOHNSON RANCH | 10,362 | 0.0190 ug/L |
| MARANA MUNICIPAL - MARANA | MARANA | 15,162 | 0.0179 ug/L |
| LIBERTY WATER LPSCO | LITCHFIELD PARK | 55,810 | 0.0141 ug/L |
| AVONDALE CITY OF | AVONDALE | 96,130 | 0.0135 ug/L |
| USAF LUKE AIR FORCE BASE | LITCHFIELD PARK | 8,440 | 0.0117 ug/L |
| PRESCOTT CITY OF | PRESCOTT | 42,217 | 0.0114 ug/L |
| ARIZONA WATER CO - SEDONA | SEDONA | 12,104 | 0.0100 ug/L |
| GILBERT, TOWN OF | GILBERT | 247,600 | 0.0098 ug/L |
| ARIZONA WATER CO - BISBEE | BISBEE | 8,707 | 0.0097 ug/L |
| GLOBE CITY OF | GLOBE | 7,536 | 0.0095 ug/L |
| GOODYEAR WATER DEPARTMENT | GOODYEAR | 50,001 | 0.0079 ug/L |
| BULLHEAD CITY MOHAVE | BULLHEAD CITY | 36,330 | 0.0073 ug/L |
| US ARMY FORT HUACHUCA | FORT HUACHUCA | 15,603 | 0.0070 ug/L |
| PONDEROSA PARK DWID | PRESCOTT | 602 | 0.0070 ug/L |
| FLOWING WELLS IRRIGATION DISTRICT | TUCSON | 16,000 | 0.0060 ug/L |
| PEORIA CITY OF | PEORIA | 187,676 | 0.0056 ug/L |
| NORTH MOHAVE VALLEY | BULLHEAD CITY | 5,190 | 0.0055 ug/L |
| GW FARMERS WATER CO - SANTA RITA SPRINGS | SAHUARITA | 3,990 | 0.0050 ug/L |
| EL MIRAGE CITY OF | EL MIRAGE | 39,884 | 0.0040 ug/L |
| MESA CITY OF | MESA | 466,000 | Not detected |
| CHANDLER CITY OF | CHANDLER | 247,328 | Not detected |
| SCOTTSDALE CITY OF | SCOTTSDALE | 241,361 | Not detected |
| GLENDALE CITY OF | GLENDALE | 234,766 | Not detected |
| ARIZONA WATER CO - PINAL VALLEY | CASA GRANDE | 134,432 | Not detected |
| EPCOR - AGUA FRIA | SURPRISE | 127,718 | Not detected |
| CITY OF YUMA | YUMA | 103,264 | Not detected |
| QUEEN CREEK TOWN OF | QUEEN CREEK | 95,502 | Not detected |
| EPCOR - SAN TAN | JOHNSON RANCH | 87,435 | Not detected |
| GW SANTA CRUZ WATER CO | MARICOPA | 84,000 | Not detected |
| FLAGSTAFF CITY OF | FLAGSTAFF | 79,796 | Not detected |
| ARIZONA WATER CO - APACHE JUNCTION | APACHE JUNCTION | 62,055 | Not detected |
| TOWN OF PRESCOTT VALLEY | PRESCOTT VALLEY | 57,048 | Not detected |
| LAKE HAVASU CITY OF | LAKE HAVASU CITY | 54,610 | Not detected |
| METROPOLITAN DWID | TUCSON | 45,570 | Not detected |
| KINGMAN MUNICIPAL WATER | KINGMAN | 45,000 | Not detected |
| ORO VALLEY WATER UTILITY | ORO VALLEY | 42,316 | Not detected |
| SURPRISE CITY OF - MOUNTAIN VISTA | SURPRISE | 40,007 | Not detected |
| SAN LUIS CITY OF | SAN LUIS | 39,705 | Not detected |
| EPCOR - SUN CITY | SUN CITY | 38,016 | Not detected |
| FOOTHILLS WATER AND SEWER LLC | YUMA | 32,425 | Not detected |
| EPCOR - CHAPARRAL CITY | FOUNTAIN HILLS | 26,026 | Not detected |
| EPCOR - SUN CITY WEST | SUN CITY WEST | 25,796 | Not detected |
| BERMUDA WATER COMPANY INC | BULLHEAD CITY | 25,000 | Not detected |
| DESERT OASIS | SURPRISE | 23,963 | Not detected |
| EPCOR - ANTHEM | ANTHEM | 23,826 | Not detected |
| GRIC DPW Wild Horse Pass | Wildhorse Pass Casino, St. Johns Komatke | 22,795 | Not detected |
| COMMUNITY WC OF GREEN VALLEY | GREEN VALLEY | 22,085 | Not detected |
| NOGALES CITY OF | NOGALES | 22,000 | Not detected |
| Salt River Public Works | Salt River Indian Community | 20,951 | Not detected |
| SAFFORD CITY OF | SAFFORD | 20,600 | Not detected |
| BELLA VISTA CITY WATER SYSTEM | SIERRA VISTA | 20,045 | Not detected |
| PIMA UTILITIES | CHANDLER | 20,000 | Not detected |
| ARIZONA WATER CO - WHITE TANKS | WHITE TANKS | 18,858 | Not detected |
| USAF DAVIS MONTHAN AFB | TUCSON | 18,640 | Not detected |
| SAHUARITA WATER COMPANY | SAHUARITA | 18,178 | Not detected |
| LAGO DEL ORO WATER COMPANY | CATALINA | 18,132 | Not detected |
| VAIL WATER COMPANY | TUCSON | 17,500 | Not detected |
| CITY OF SHOW LOW | SHOW LOW | 17,139 | Not detected |
| DOUGLAS CITY OF | DOUGLAS | 16,656 | Not detected |
| GRAND CANYON NATIONAL PARK | GRAND CANYON | 16,590 | Not detected |
| FLORENCE WATER COMPANY | FLORENCE | 15,900 | Not detected |
| APACHE JUNCTION WATER DISTRICT | APACHE JUNCTION | 15,610 | Not detected |
| WMATUA Miner Flat | 15,570 | Not detected | |
| Farmington Rural-Shiprock-Beclabito NTUA | Upper Fruitland, Nenahnezad, San Juan, N | 15,233 | Not detected |
| EPCOR - NORTH EAST AGUA FRIA | PHOENIX | 14,723 | Not detected |
| SOMERTON CITY OF | SOMERTON | 14,197 | Not detected |
| EPCOR - PARADISE VALLEY/SCOTTSDALE | PARADISE VALLEY | 14,107 | Not detected |
| ARIZONA WATER CO - OVERGAARD | HEBER | 13,797 | Not detected |
| Fort Defiance-Window Rock-St Michaels NTUA | Fort Defiance, Window Rock, St. Michaels | 12,869 | Not detected |
| PUEBLO DEL SOL WATER COMPANY | SIERRA VISTA | 12,804 | Not detected |
| ARIZONA WATER CO - LAKESIDE | SHOW LOW | 12,191 | Not detected |
| Ak-Chin Village | Ak-Chin Village | 11,646 | Not detected |
| COTTONWOOD MUNICIPAL WATER CW1 | COTTONWOOD | 11,023 | Not detected |
| ARIZONA WATER CO - ORACLE | ORACLE | 10,585 | Not detected |
| BEARDSLEY WATER COMPANY 1 | SURPRISE | 10,263 | Not detected |
| WINSLOW CITY OF | WINSLOW | 9,789 | Not detected |
| TOLLESON CITY OF | TOLLESON | 9,300 | Not detected |
| ARIZONA WATER CO - SIERRA VISTA | SIERRA VISTA | 9,175 | Not detected |
| DONEY PARK WATER | FLAGSTAFF | 8,996 | Not detected |
| CCA - ELOY COMPLEX | ELOY | 8,852 | Not detected |
| GREEN VALLEY DWID | GREEN VALLEY | 8,687 | Not detected |
| ARIZONA WATER CO - MIAMI CLAYPOOL | MIAMI | 8,656 | Not detected |
| SCUA Upper Seven Mile | 8,478 | Not detected | |
| Chinle-Many Farms-Del Muerto NTUA | Chinle, Many Farms, Del Muerto | 8,458 | Not detected |
| USMC YUMA MAIN SYSTEM | YUMA | 8,353 | Not detected |
| ARIZONA WATER CO - PINEWOOD | MUNDS PARK | 8,089 | Not detected |
| PINE STRAWBERRY WID | PINE | 8,013 | Not detected |
| ELOY CITY OF | ELOY | 7,903 | Not detected |
| PAGE CITY OF | PAGE | 7,420 | Not detected |
| Fort McDowell Community | 7,260 | Not detected | |
| QUAIL CREEK WATER COMPANY | GREEN VALLEY | 6,812 | Not detected |
| AVRA WATER COOP INC | TUCSON | 6,685 | Not detected |
| SUNRISE WATER COMPANY | PEORIA | 6,490 | Not detected |
| WICKENBURG TOWN OF | WICKENBURG | 6,481 | Not detected |
| Tuba City NTUA | Tuba City | 6,276 | Not detected |