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 |
|---|---|---|---|---|
| Seminole Utilities Hollywood | Hollywood, 04 | 9,300 | 42 | - |
| Salem City | Santaquin, UT | 9,298 | 62 | Clean |
| Walls Water Assn- Lake Forest | Walls, MS | 9,298 | 253 | Clean |
| Riverside | Riverside, IL | 9,298 | 49 | Clean |
| Bath Water District | Bath, ME | 9,290 | 33 | Clean |
| Canal Winchester City PWS | Canal Winchester, OH | 9,286 | 3 | Clean |
| City of Live Oak | Live Oak, CA | 9,285 | 24 | Detected |
| City of Bay St Louis | Bay St Louis, MS | 9,284 | 735 | Clean |
| Stanford Water Works | Stanford, KY | 9,284 | 188 | Clean |
| California State Fair | Sacramento, CA | 9,280 | 8 | Detected |
| Mount Pleasant Municipal Utilities | Mount Pleasant, IA | 9,274 | 111 | Clean |
| Waverly Water Department | Waverly, TN | 9,270 | 35 | Clean |
| Augusta, City Of | Augusta, KS | 9,267 | 101 | Clean |
| City of Commerce | Commerce, TX | 9,266 | 151 | Detected |
| Walden's Ridge U.d. | Signal Mountain, TN | 9,265 | 54 | Detected |
| Jackson Premium Outlets | Jackson, NJ | 9,263 | 179 | Clean |
| Washington Terrace City Water System | Washington Terrace, UT | 9,260 | 82 | Clean |
| Quebrada | Hatillo, PR | 9,260 | 226 | Clean |
| Lauderdale Co Water System | Ripley, TN | 9,254 | 17 | Clean |
| Mountain Top Water Association | Heber Springs, AR | 9,253 | 5 | Clean |
| Pleasant View Culinary Water | North Ogden, UT | 9,250 | 252 | Clean |
| Second South Cheatham U.d. | Kingston Springs, TN | 9,243 | 20 | Clean |
| Waseca | Waseca, MN | 9,241 | 10 | Clean |
| Greenbrier Water & Sewer Dept | Greenbrier, TN | 9,230 | 58 | Clean |
| Tittabawassee Township | Freeland, MI | 9,227 | 37 | Clean |
| Twin City Water and Sewer District PWS | Dennison, OH | 9,224 | 185 | Clean |
| Placerville, City of - Main | Placerville, CA | 9,224 | 5 | Clean |
| Orange-Alamance Water System | Mebane, NC | 9,223 | 484 | Detected |
| Leavenworth City Of | Leavenworth, WA | 9,218 | 68 | - |
| Pepperell Dpw Water Division | Pepperell, MA | 9,217 | 141 | Detected |
| Moulton Water Works Board | Moulton, AL | 9,216 | 14 | Detected |
| Cherry Creek Village WD | Greenwood Village, CO | 9,215 | 0 | - |
| Rubio Canon Land & Water Association | Altadena, CA | 9,215 | 3 | Detected |
| Hartland Waterworks | Hartland, WI | 9,212 | 21 | Detected |
| Big Creek Utility District | Altamont, TN | 9,211 | 52 | Clean |
| Kiroli Darbonne WS | West Monroe, LA | 9,210 | 141 | Clean |
| East Grand Forks | East Grand Forks, MN | 9,206 | 13 | Detected |
| Travis County Wcid 10 | West Lake Hills, TX | 9,204 | 7 | Detected |
| Shawano Waterworks | Shawano, WI | 9,200 | 27 | Clean |
| Baldwinsville Village | Baldwinsville, NY | 9,200 | 15 | Detected |
| Chenango Consolidated WD #1 | Binghamton, NY | 9,200 | 25 | Detected |
| Central Florida Research Park | Orlando, FL | 9,200 | 29 | Clean |
| Milliken Town Of | Milliken, CO | 9,200 | 331 | Clean |
| Southwest Fannin County Sud | Savoy, TX | 9,198 | 2 | Clean |
| Atoka Water System | Atoka, TN | 9,197 | 45 | Clean |
| Aquarion Water Company, Pinehills | Millbury, MA | 9,195 | 1 | Detected |
| NJ American Water - Harrison | Delran, NJ | 9,193 | 142 | Detected |
| Tomah Waterworks | Tomah, WI | 9,192 | 127 | Detected |
| Lake City City of (Sc2110007) | Lake City, SC | 9,191 | 16 | Clean |
| Concord-Robbins WSC | Marquez, TX | 9,190 | 26 | Clean |