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 |
| Granite Dells Water Company | Prescott, AZ | 50 | 27 | - |
| Red Rock Crossing Mobile Village | Sedona, AZ | 50 | 109 | - |
| Sonic Drive in Chino Valley | Chino Valley, AZ | 50 | 2 | - |
| El Paraiso Restaurant | Chino Valley, AZ | 50 | 70 | - |
| Word of Life Assembly | Chino Valley, AZ | 50 | 13 | - |
| Bent River Apt Enchantment Resort | Clarkdale, AZ | 50 | 54 | - |
| Chino Mobile Home Ranch | Chino Valley, AZ | 50 | 117 | - |
| 89 Er Trailer Park | Gilbert, AZ | 50 | 12 | - |
| Bumblebee Ranch | Mayer, AZ | 50 | 12 | - |
| Bouse Community County Park | Parker, AZ | 50 | 43 | - |
| Westergreen Center | Salome, AZ | 50 | 13 | - |
| Veterans of Foreign Wars Post 2357 | Bouse, AZ | 50 | 0 | - |
| Santa Rita Heights MHP | Garden City, AZ | 50 | 134 | - |
| Pico Vista Community Well | Tucson, AZ | 49 | 19 | - |
| Bidegain Water Company | Kearny, AZ | 49 | 243 | - |
| Sonoita Valley (North) Water Company | Tucson, AZ | 49 | 121 | - |
| Clear Springs Utility Well 6 | Glendale, AZ | 48 | 123 | - |
| Northern Section 4 Coop | Apache Junction, AZ | 48 | 348 | - |
| Ussocom Parachute Training | Marana, AZ | 48 | 303 | - |
| AZ State Park Alamo Lake Cholla | Wenden, AZ | 48 | 16 | - |
| Desert Shadows Dwid | Salome, AZ | 48 | 13 | - |
| Ntm Aviation | McNeal, AZ | 47 | 56 | - |
| Beaver Dam East Dwid | Littlefield, AZ | 47 | 96 | - |
| Scenic Valley Holding Company | St. George, AZ | 47 | 19 | - |
| Retaw Water Company | Lakeside, AZ | 47 | 36 | - |
| Forest Houses Resort | Sedona, AZ | 46 | 65 | - |
| Lakeside Ski Village | Scottsdale, AZ | 46 | 83 | - |
| Tombstone Territories RV | Huachuca City, AZ | 45 | 38 | - |
| Usfs Cnf Douglas Ranger Station | Tuscon, AZ | 45 | 16 | - |
| A1 Ranch Dwid | Flagstaff, AZ | 45 | 44 | - |
| Greenlee Country Club | Duncan, AZ | 45 | 82 | - |
| Aps Redhawk Water | Phoenix, AZ | 45 | 11 | - |
| Pines to Palms Mobile Home RV Park | Beaver Dam, AZ | 45 | 85 | - |
| Joshua Tree Water Company | Dolan Spring, AZ | 45 | 185 | - |
| Superstition Water Coop | Tucson, AZ | 45 | 145 | - |
| Klafter Well Coop | Tucson, AZ | 45 | 93 | - |
| Marana Municipal - Airport | Tucson, AZ | 45 | 33 | - |
| Casa Grande Mexican Restaurant | Chino Valley, AZ | 45 | 47 | - |
| Log Cabin Bar | Chino Valley, AZ | 45 | 19 | - |
| Parker South | Parker, AZ | 45 | 41 | - |
| Lukeville Border Station | Leesburg, AZ | 45 | 92 | - |
| Adot Little Antelope | Phoenix, AZ | 44 | 28 | - |
| Owens Elementary School | Wikieup, AZ | 44 | 50 | - |
| Misty Mountain Dwid | Lakeside, AZ | 44 | 101 | - |
| AZ Game Fish Page Main | Cornville, AZ | 43 | 31 | - |
| Hardyville on the River | San Diego, AZ | 42 | 213 | - |
| Mountain Glen Water Serv Ricochet Ranch | Glendale, AZ | 42 | 67 | - |
| Sasabe Border Village | Sasabe, AZ | 42 | 221 | - |
| Cup of Gold Water Company | Sedona, AZ | 42 | 99 | - |
| Philadelphia Water System | Crown King, AZ | 42 | 78 | - |