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 |
|---|---|---|---|---|
| Jefferson Co RWD 3 | Valley Falls, KS | 2,435 | 77 | - |
| Pilot/Wendys #448 | Knoxville, IN | 2,435 | 312 | - |
| Marengo Water Supply | Marengo, IA | 2,435 | 109 | - |
| Friendship Community W/A | McComb, MS | 2,434 | 568 | - |
| Clayton-Camp Point Water Commission | Camp Point, IL | 2,434 | 15 | - |
| Grand Estates | Austin, TX | 2,433 | 6 | - |
| Gibson Co Muni Water Dist #1 | Trenton, TN | 2,433 | 20 | - |
| Windsor, Town Of | Windsor, NC | 2,433 | 27 | - |
| West Cocalico Twp Water Auth | Reinholds, PA | 2,430 | 172 | - |
| Lake Hamilton, Town Of | Lake Hamilton, FL | 2,430 | 261 | - |
| Brooklyn Water System | Lumpkin, GA | 2,429 | 88 | Clean |
| Waynoka Regional Water and Sewer Dist | Sardinia, OH | 2,428 | 72 | Clean |
| Cass City, Village Of | Cass City, MI | 2,428 | 58 | - |
| W Central Rwa - Denison Subsys | Manning, IA | 2,428 | 16 | - |
| Nooksack Water Dept | Nooksack, WA | 2,427 | 32 | - |
| Spring Creek Forest PUD | Houston, TX | 2,427 | 6 | - |
| Northern Middle-High School | Greensboro, NC | 2,427 | 0 | - |
| Town of Rosepine Water System | Rosepine, LA | 2,427 | 31 | - |
| Willapa Valley Water District | Raymond, WA | 2,425 | 62 | - |
| Grady Co RWD #7 (Ninnekah) | Ninnekah, OK | 2,425 | 89 | - |
| Reed City, City Of | Reed City, MI | 2,425 | 9 | - |
| Mexico Water District | Mexico, ME | 2,425 | 4 | - |
| Hazy Hollow East Estates | Cypress, TX | 2,424 | 94 | - |
| Westminster Sud | Westminster, TX | 2,424 | 4 | - |
| City of Lyford | Lyford, TX | 2,421 | 172 | - |
| Harris County MUD 531 | Houston, TX | 2,421 | 3 | - |
| Harris County MUD 341 | Houston, TX | 2,421 | 14 | - |
| Bronson | Bronson, MI | 2,421 | 4 | - |
| Guthrie Water Works | Guthrie, KY | 2,421 | 128 | - |
| Town of Welaka | Welaka, FL | 2,421 | 54 | - |
| Black Diamond Water Dept | Black Diamond, WA | 2,420 | 194 | - |
| Milford Water Authority | Milford, PA | 2,420 | 145 | - |
| Tobay Beach | Massapequa, NY | 2,420 | 247 | - |
| NJ American Water - Homestead | Delran, NJ | 2,420 | 26 | - |
| Ogden Municipal Utilities | Ogden, IA | 2,419 | 94 | - |
| Dillingham Water System | Dillingham, AK | 2,419 | 533 | - |
| Roman Forest Consolidated MUD | New Caney, TX | 2,418 | 48 | - |
| City of Seagraves | Seagraves, TX | 2,417 | 1,558 | - |
| Sandycreek Twp Waterworks | Franklin, PA | 2,417 | 45 | - |
| St Paul, City Of | St Paul, NE | 2,416 | 8 | - |
| Mt Gilead-Improve Water Assn | Columbia, MS | 2,416 | 299 | Clean |
| Enon Village PWS | Enon, OH | 2,415 | 135 | - |
| Wilsonville Water Works | Wilsonville, AL | 2,415 | 2 | - |
| Johnsonburg Municipal Auth | Johnsonburg, PA | 2,413 | 1,062 | - |
| Castleton Village PWS | Castleton, NY | 2,413 | 6 | - |
| Pine Level, Town Of | Pine Level, NC | 2,413 | 425 | - |
| Seagrove-Ulah Metro Water Dist | Asheboro, NC | 2,413 | 115 | - |
| Powers Water Association | Laurel, MS | 2,413 | 547 | - |
| Caro WSC | Nacogdoches, TX | 2,412 | 257 | - |
| Fort Bend County MUD 218 | Houston, TX | 2,412 | 10 | - |