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 |
|---|---|---|---|---|
| Missouri West Water System | Mandan, ND | 4,303 | 2 | Clean |
| Pattison 500 | Lacey, WA | 4,302 | 67 | Clean |
| Multi-County WSC | Gatesville, TX | 4,302 | 217 | Detected |
| Ynp-Canyon Village | Yellowstone, WY | 4,300 | 9 | Clean |
| Corporation of Shepherdstown | Shepherdstown, WV | 4,300 | 363 | Detected |
| Bromley Water Company | Manchester Center, VT | 4,300 | 43 | Clean |
| West Reading Boro Water | West Reading, PA | 4,300 | 41 | Detected |
| Penn Estates Utilities Incorp | East Stroudsburg, PA | 4,300 | 423 | Clean |
| Sunriver Water LLC/Sunriver Utilities | Sunriver, OR | 4,300 | 23 | Clean |
| Ellenville (Village) Water Dis | Ellenville, NY | 4,300 | 235 | Clean |
| Cortlandville Town Water | Homer, NY | 4,300 | 9 | Detected |
| White Sands Missile Range (Main Post)-Ff | White Sands Missile Range, NM | 4,300 | 213 | Clean |
| Mine Hill Twp Water Dept | Mine Hill, NJ | 4,300 | 113 | Clean |
| NJ American Water - Egg Harbor City | Egg Harbor Township, NJ | 4,300 | 52 | Clean |
| Rye Water Dist | Rye, NH | 4,300 | 20 | Detected |
| Dillon City Of | Dillon, MT | 4,300 | 16 | Clean |
| Paxton Water Department | Paxton, MA | 4,300 | 49 | Detected |
| Town of Amite Water System | Amite, LA | 4,300 | 32 | Clean |
| California Rehabilitation Center - Norco | Norco, CA | 4,300 | 69 | Detected |
| Aspc Lewis Complex Water System | Buckeye, AZ | 4,300 | 594 | Clean |
| Ashville Village PWS | Ashville, OH | 4,298 | 97 | Clean |
| Park Rapids | Park Rapids, MN | 4,298 | 46 | Clean |
| Mason Co Psd-Lakin Dist | Bruceton Mills, WV | 4,296 | 64 | Clean |
| Hogansville | Hogansville, GA | 4,295 | 67 | Detected |
| Benson, Town Of | Benson, NC | 4,293 | 64 | Detected |
| Virginia Hill WSC | Athens, TX | 4,290 | 8 | Clean |
| Lexie Water Association, Inc. | Tylertown, MS | 4,290 | 277 | Clean |
| Town of Middletown | Middletown, MD | 4,288 | 37 | Detected |
| East Bell WSC | Temple, TX | 4,287 | 21 | Detected |
| Heflin Water Works | Heflin, AL | 4,287 | 20 | Clean |
| East Spokane Water Dist 1 | Spokane Valley, WA | 4,285 | 53 | Detected |
| Almirante Norte | Vega Baja, PR | 4,285 | 163 | - |
| Forest City Water Supply | Forest City, IA | 4,285 | 25 | Clean |
| Montgomery County MUD 39 | The Woodlands, TX | 4,284 | 20 | Clean |
| Grafton City Of | Grafton, ND | 4,284 | 7 | Detected |
| Brookland Waterworks | Brookland, AR | 4,283 | 7 | - |
| Utilities Inc - Hammond Heights | Mandeville, LA | 4,281 | 24 | Clean |
| Montpelier Village | Montpelier, OH | 4,280 | 30 | Clean |
| Osawatomie, City Of | Osawatomie, KS | 4,280 | 184 | Clean |
| Waverly, City Of | Waverly, NE | 4,279 | 31 | - |
| Riverton | Riverton, IL | 4,279 | 62 | Clean |
| Little River Co Rda | Foreman, AR | 4,279 | 173 | Clean |
| City of Sugar Land River Park | Sugar Land, TX | 4,278 | 5 | Clean |
| Bellaire Public Water System | Bellaire, OH | 4,278 | 340 | Detected |
| North Hinds W/a #1-Brownsville | Flora, MS | 4,277 | 696 | Clean |
| Highland Beach Water Plant | Highland Beach, FL | 4,277 | 14 | Clean |
| Lonoke Waterworks | Lonoke, AR | 4,277 | 32 | Clean |
| New Sewickley Twp Muni Auth | Rochester, PA | 4,276 | 105 | Detected |
| Riversouth Rural Water Dist | Ozark, AR | 4,275 | 11 | Clean |
| Northeast Etowah County Water Co-Op | Gadsden, AL | 4,275 | 41 | Detected |