Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Thunderbird Farms Dwid | Maricopa, AZ | 2,231 | 484 | - |
| Lepanto Waterworks | Lepanto, AR | 2,231 | 10 | - |
| Pawnee | Pawnee, OK | 2,230 | 1,302 | - |
| Arlington | Arlington, MN | 2,230 | 33 | Clean |
| Henry | Henry, IL | 2,230 | 63 | - |
| Rock Valley Rural Water District | Rock Valley, IA | 2,230 | 64 | - |
| Harris County Fwsd 6 | Channelview, TX | 2,229 | 3 | Clean |
| Ascension Consolidated Utility Dist 1 | Donaldsonville, LA | 2,229 | 261 | - |
| Elwood | Elwood, IL | 2,229 | 292 | - |
| City of Mason | Mason, TX | 2,228 | 665 | - |
| Northampton--Progressive | Jackson, NC | 2,228 | 220 | - |
| Byfield Water District | Byfield, MA | 2,228 | 35 | - |
| Holcomb, City Of | Holcomb, KS | 2,228 | 58 | - |
| Augusta Waterworks | Augusta, AR | 2,228 | 9 | - |
| Bethel Heights Water System | Bethel, AK | 2,228 | 580 | - |
| Buhl Community Water Company | Mercer, PA | 2,227 | 79 | - |
| Greenfield Municipal Utilities | Greenfield, IA | 2,227 | 37 | - |
| Mountain Gate C.s.d. | Redding, CA | 2,227 | 32 | - |
| Lincoln Psd - Route 3 | Alum Creek, WV | 2,226 | 163 | - |
| City of Weimar | Weimar, TX | 2,226 | 32 | - |
| New Providence Water Assn | Carthage, MS | 2,226 | 762 | - |
| Winsted | Winsted, MN | 2,226 | 22 | - |
| Cloverdale Water Works | Cloverdale, IN | 2,225 | 17 | - |
| Selma High School | Selma, CA | 2,225 | 29 | - |
| Washington Corrections Center | Shelton, WA | 2,223 | 73 | - |
| El Sauz WSC | Roma, TX | 2,223 | 278 | Clean |
| Hurricane Ridge | Port Angeles, WA | 2,221 | 6 | - |
| Nys Thruway-Pattersonville Service Area | Albany, NY | 2,221 | 28 | - |
| Tcw Supply | Borger, TX | 2,220 | 22 | - |
| Sugarcreek Village PWS | Sugarcreek, OH | 2,220 | 51 | - |
| Rae Water and Sewer Dist 313 | Bozeman, MT | 2,220 | 158 | - |
| Morenci | Morenci, MI | 2,220 | 44 | - |
| Geneva, City Of | Geneva, NE | 2,217 | 6 | - |
| Millry Water Works | Millry, AL | 2,217 | 124 | - |
| Saltillo Utility District | Saltillo, TN | 2,216 | 13 | - |
| Town of Ecru | Ecru, MS | 2,215 | 833 | - |
| Livingston County PWSD 2 | Chillicothe, MO | 2,215 | 27 | - |
| Maple Lake | Maple Lake, MN | 2,215 | 19 | - |
| East Jordan, City Of | East Jordan, MI | 2,215 | 111 | Clean |
| Epcor - Arizona Gateway | El Mirage, AZ | 2,215 | 18 | - |
| North Spokane Irrigation District 8 | Spokane, WA | 2,214 | 73 | - |
| Bridgeport City Of | Bridgeport, WA | 2,214 | 75 | - |
| Fort Bend County MUD 158 | Houston, TX | 2,214 | 0 | - |
| Redfield | Redfield, SD | 2,214 | 7 | - |
| Cedar Grove Waterworks | Cedar Grove, WI | 2,213 | 84 | - |
| Cle Elum Water Department | Cle Elum, WA | 2,213 | 160 | - |
| McMechen Municipal Water | McMechen, WV | 2,212 | 196 | - |
| Shelter Bay Community Inc | La Conner, WA | 2,212 | 11 | Clean |
| City of Sabinal | Sabinal, TX | 2,211 | 106 | - |
| Pollok-Redtown WSC | Pollok, TX | 2,211 | 99 | - |