What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| Tempe City of | Tempe | 165,000 | 0.0558 µg/L |
| Payson Town of | Payson | 17,682 | 0.0422 µg/L |
| Liberty Water Rio Rico | Rio Rico | 17,960 | 0.0409 µg/L |
| Marana Municipal - Hartman Vistas | Marana | 5,248 | 0.0230 µg/L |
| Big Park Water Company | Sedona | 7,392 | 0.0210 µg/L |
| Epcor - San Tan Anthem | Johnson Ranch | 10,362 | 0.0190 µg/L |
| Marana Municipal - Marana | Marana | 15,162 | 0.0179 µg/L |
| Liberty Water Lpsco | Litchfield Park | 55,810 | 0.0141 µg/L |
| Avondale City of | Avondale | 96,130 | 0.0135 µg/L |
| Usaf Luke Air Force Base | Litchfield Park | 8,440 | 0.0117 µg/L |
| Prescott City of | Prescott | 42,217 | 0.0114 µg/L |
| Arizona Water Co - Sedona | Sedona | 12,104 | 0.0100 µg/L |
| Gilbert, Town of | Gilbert | 247,600 | 0.0098 µg/L |
| Arizona Water Co - Bisbee | Bisbee | 8,707 | 0.0097 µg/L |
| Globe City of | Globe | 7,536 | 0.0095 µg/L |
| Goodyear Water Department | Goodyear | 50,001 | 0.0079 µg/L |
| Bullhead City Mohave | Bullhead City | 36,330 | 0.0073 µg/L |
| Us Army Fort Huachuca | Fort Huachuca | 15,603 | 0.0070 µg/L |
| Ponderosa Park Dwid | Prescott | 602 | 0.0070 µg/L |
| Flowing Wells Irrigation District | Tucson | 16,000 | 0.0060 µg/L |
| Peoria City of | Peoria | 187,676 | 0.0056 µg/L |
| North Mohave Valley | Bullhead City | 5,190 | 0.0055 µg/L |
| Gw Farmers Water Co - Santa Rita Springs | Sahuarita | 3,990 | 0.0050 µg/L |
| El Mirage City of | El Mirage | 39,884 | 0.0040 µg/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 | Whiteriver | 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 | San Carlos | 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 | Fountain Hills | 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 |