Public Water Systems
1,493 active public water systems in AZ, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Phoenix City Of | Phoenix, AZ | 1,695,000 | 84 | Detected |
| Tucson City Of | Tucson, AZ | 732,906 | 2,267 | Detected |
| Mesa City Of | Mesa, AZ | 466,000 | 1,739 | Detected |
| Gilbert, Town Of | Gilbert, AZ | 247,600 | 1,235 | Detected |
| Chandler City Of | Chandler, AZ | 247,328 | 851 | Detected |
| Scottsdale City Of | Scottsdale, AZ | 241,361 | 963 | Detected |
| Glendale City Of | Phoenix, AZ | 234,766 | 645 | Detected |
| Peoria City Of | Peoria, AZ | 187,676 | 2,461 | Detected |
| Tempe City Of | Tempe, AZ | 165,000 | 339 | Detected |
| Arizona Water Co - Pinal Valley | Phoenix, AZ | 134,432 | 590 | Detected |
| Epcor - Agua Fria | El Mirage, AZ | 127,718 | 525 | Clean |
| City of Yuma | Yuma, AZ | 103,264 | 456 | Clean |
| Queen Creek Town Of | Queen Creek, AZ | 95,502 | 494 | Clean |
| Epcor - San Tan | San Tan Valley, AZ | 87,435 | 367 | Clean |
| Gw Santa Cruz Water Co | Maricopa, AZ | 84,000 | 256 | Clean |
| Avondale City Of | Avondale, AZ | 83,001 | 242 | Detected |
| Flagstaff City Of | Flagstaff, AZ | 76,960 | 1,061 | Detected |
| Arizona Water Co - Apache Junction | Phoenix, AZ | 62,055 | 88 | Clean |
| Town of Prescott Valley | Dewey, AZ | 57,048 | 396 | Clean |
| Lake Havasu City Of | Lake Havasu City, AZ | 54,610 | 312 | Detected |
| Liberty Water Lpsco | Litchfield Park, AZ | 50,770 | 271 | Detected |
| Goodyear Water Department | Goodyear, AZ | 50,001 | 351 | Detected |
| University of Arizona | Tucson, AZ | 50,000 | 1,168 | Detected |
| Metropolitan Dwid | Tucson, AZ | 45,570 | 894 | Detected |
| Kingman Municipal Water | Kingman, AZ | 45,000 | 451 | Clean |
| Oro Valley Water Utility | Oro Valley, AZ | 42,316 | 2,191 | Clean |
| Prescott City Of | Prescott, AZ | 42,217 | 616 | Detected |
| Surprise City of - Mountain Vista | Surprise, AZ | 40,007 | 419 | Clean |
| El Mirage City Of | El Mirage, AZ | 39,884 | 1,007 | Detected |
| San Luis City Of | San Luis, AZ | 39,705 | 682 | Clean |
| Epcor - Sun City | El Mirage, AZ | 38,016 | 308 | Clean |
| Bullhead City Mohave | Bullhead City, AZ | 36,330 | 2,669 | Detected |
| Foothills Water and Sewer LLC | Yuma, AZ | 32,425 | 1,945 | Clean |
| City of Buckeye - Valencia Town Division | Buckeye, AZ | 30,377 | 341 | Clean |
| Epcor - Chaparral City | El Mirage, AZ | 26,026 | 492 | Clean |
| Epcor - Sun City West | El Mirage, AZ | 25,796 | 110 | Clean |
| Bermuda Water Company Inc | Fort Mohave, AZ | 25,000 | 1,469 | Detected |
| Desert Oasis | Surprise, AZ | 23,963 | 54 | Clean |
| Epcor - Anthem | El Mirage, AZ | 23,826 | 160 | Clean |
| Community WC of Green Valley | Green Valley, AZ | 22,085 | 264 | Clean |
| Nogales City Of | Nogales, AZ | 22,000 | 1,954 | Clean |
| Safford City Of | Safford, AZ | 20,600 | 472 | Detected |
| Bella Vista City Water System | Sierra Vista, AZ | 20,045 | 1,564 | Detected |
| Pima Utilities | Phoenix, AZ | 20,000 | 259 | Clean |
| Arizona Water Co - White Tanks | Phoenix, AZ | 18,858 | 26 | Detected |
| Usaf Davis Monthan Afb | Davis-Monthan Afb, AZ | 18,640 | 1,020 | Clean |
| Sahuarita Water Company | Sahuarita, AZ | 18,178 | 101 | Clean |
| Lago del Oro Water Company | Sun Lakes, AZ | 18,132 | 777 | Detected |
| Liberty Water Rio Rico | Sierra Vista, AZ | 17,960 | 484 | Detected |
| Payson Town Of | Payson, AZ | 17,682 | 1,716 | Detected |
Page 1 of 30 Next →