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 |
|---|---|---|---|---|
| Pipestone | Pipestone, MN | 4,273 | 9 | Detected |
| Cortland | Cortland, IL | 4,270 | 199 | Clean |
| Shady Hollow MUD | Austin, TX | 4,269 | 15 | - |
| City of Karnes City | Karnes City, TX | 4,269 | 77 | Clean |
| Jacaguas | Juana Diaz, PR | 4,269 | 732 | Detected |
| Rose Hill, City Of | Rose Hill, KS | 4,269 | 24 | Clean |
| Correctional Training Facility - Soledad | Soledad, CA | 4,269 | 32 | Clean |
| Saukville Waterworks | Saukville, WI | 4,268 | 4 | Detected |
| Lakewood | Lakewood, IL | 4,267 | 242 | - |
| Harris County MUD 322 | Houston, TX | 4,266 | 0 | Clean |
| Springville Village | Springville, NY | 4,266 | 270 | Clean |
| Blountsville, the Ub of the Town Of | Blountsville, AL | 4,266 | 15 | Clean |
| North Wilkesboro, Town Of | N. Wilkesboro, NC | 4,265 | 147 | Clean |
| Plantation MUD | Houston, TX | 4,263 | 12 | Clean |
| Gouverneur | Gouverneur, NY | 4,263 | 149 | Clean |
| Western Fleming Water District | Ewing, KY | 4,262 | 479 | Detected |
| Mount Olive, Town Of | Mount Olive, NC | 4,261 | 17 | Clean |
| Parksville Water District | Parksville, KY | 4,261 | 24 | Detected |
| Ashdown Waterworks | Ashdown, AR | 4,261 | 8 | Clean |
| Prescott Waterworks | Prescott, WI | 4,258 | 78 | Detected |
| Lincoln City Of | Lincoln, ND | 4,257 | 29 | Clean |
| Cordes Lakes Water Company | Litchfield Park, AZ | 4,257 | 107 | - |
| Carthage, Town Of | Carthage, NC | 4,255 | 567 | Clean |
| Louisa County Water Authority | Louisa, VA | 4,254 | 126 | Clean |
| South Rayne Water Corporation | Rayne, LA | 4,254 | 35 | Clean |
| Metropolitan Dwid - Hub | Tucson, AZ | 4,252 | 157 | Clean |
| Wagoner Co. RWD #5 | Coweta, OK | 4,251 | 193 | Detected |
| Bealeton Regional | Warrenton, VA | 4,250 | 8 | Detected |
| City of Groesbeck | Groesbeck, TX | 4,250 | 264 | Detected |
| Harris County Fwsd 47 | Channelview, TX | 4,250 | 14 | Detected |
| Tm Rural Water District | Parker, SD | 4,250 | 6 | Clean |
| Craig Co RWD #2 | Vinita, OK | 4,250 | 82 | Clean |
| Pontotoc Co RWD # 8 | Ada, OK | 4,250 | 53 | Clean |
| Burgaw, Town Of | Burgaw, NC | 4,250 | 58 | Clean |
| Boonsboro - Keedysville | Boonsboro, MD | 4,250 | 147 | Detected |
| Williamson County MUD 11 | Austin, TX | 4,248 | 1 | Detected |
| Cave Spring | Cave Spring, GA | 4,248 | 37 | Clean |
| Savannah-Whitemarsh Island | Savannah, GA | 4,247 | 22 | Clean |
| Caernarvon Twp Auth | Morgantown, PA | 4,245 | 494 | Detected |
| Des Arc Waterworks | Des Arc, AR | 4,245 | 80 | Clean |
| Huxley Waterworks Dept | Huxley, IA | 4,244 | 19 | Clean |
| Blanchester Village PWS | Fayetteville, OH | 4,243 | 95 | Detected |
| Georgetown Village PWS | Georgetown, OH | 4,243 | 8 | Detected |
| Cass Rural Water District Fargo | Kindred, ND | 4,242 | 0 | Detected |
| Hometown | Hometown, IL | 4,240 | 32 | Clean |
| Harris County MUD 166 | Houston, TX | 4,239 | 4 | - |
| Cinco MUD 7 | Houston, TX | 4,239 | 2 | Clean |
| Erec Water System | Jay, FL | 4,238 | 19 | Detected |
| Cannon Falls | Cannon Falls, MN | 4,237 | 13 | Clean |
| Jackson Twp Water Auth | Mineral Point, PA | 4,236 | 295 | - |