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 |
|---|---|---|---|---|
| Palmetto W/A | Tupelo, MS | 2,376 | 919 | - |
| Reform Water & Sewer Board | Reform, AL | 2,376 | 142 | - |
| Haines Borough | Haines, AK | 2,376 | 64 | - |
| Tappahannock, Town Of | Tappahannock, VA | 2,375 | 36 | - |
| Dawson | Dawson, IL | 2,375 | 58 | - |
| Saint Bonifacius | St. Bonifacius, MN | 2,374 | 6 | - |
| Acoma Main | Acoma, 06 | 2,374 | 125 | - |
| Pacific Beach/Moclips | Montesano, WA | 2,372 | 17 | - |
| Flandreau | Flandreau, SD | 2,372 | 24 | - |
| Poplar Grove | Poplar Grove, IL | 2,372 | 46 | - |
| Tennille | Tennille, GA | 2,372 | 78 | - |
| Cache | Cache, OK | 2,371 | 113 | - |
| Grand Harbor Water System | Conroe, TX | 2,370 | 28 | - |
| West Harris County MUD 5 | Houston, TX | 2,370 | 0 | - |
| Reynolds Water Company | Greenville, PA | 2,370 | 382 | - |
| Tri-County Water Authority | Harrisville, OH | 2,370 | 17 | - |
| Chadbourn, Town Of | Chadbourn, NC | 2,370 | 70 | - |
| Au Sable Township | Oscoda, MI | 2,370 | 13 | - |
| Nokomis | Nokomis, IL | 2,370 | 39 | - |
| Lost Hills Utility District | Lost Hills, CA | 2,370 | 53 | - |
| Ledyard Wpca, Gales Ferry System | Ledyard, CT | 2,369 | 23 | - |
| Duey | Yauco, PR | 2,368 | 216 | - |
| Noble County Water Authority PWS | Belle Valley, OH | 2,368 | 130 | - |
| Hebron Village PWS | Hebron, OH | 2,368 | 59 | - |
| Akin Water District | Thompsonville, IL | 2,368 | 23 | - |
| Miami Co-N25a Extension | Troy, OH | 2,367 | 11 | - |
| West Liberty Water Company | West Liberty, KY | 2,367 | 77 | - |
| Mansfield Waterworks | Mansfield, AR | 2,367 | 81 | - |
| Hatch Water Supply System | Hatch, NM | 2,366 | 40 | - |
| Valley of Fire State Park | Las Vegas, NV | 2,365 | 24 | - |
| Lick Creek Pwd | Buncombe, IL | 2,365 | 35 | - |
| Indian River Estates | Fort Pierce, FL | 2,365 | 38 | - |
| Harris Montgomery Counties MUD 386 May V | Houston, TX | 2,364 | 0 | - |
| Cambridge Springs Borough | Cambridge Springs, PA | 2,363 | 265 | - |
| Eastabuchie Water Association | Petal, MS | 2,363 | 722 | - |
| Holton Community Water Corp. | Holton, IN | 2,363 | 36 | - |
| Bellevue Municipal Utilities | Bellevue, IA | 2,363 | 54 | - |
| Spring Meadows-Meadow Gate | Rockville, VA | 2,362 | 198 | - |
| Victor City Of | Victor, ID | 2,361 | 41 | - |
| Pine Hill (Town Of) | Pine Hill, AL | 2,361 | 6 | Detected |
| Lovell, Town Of | Lovell, WY | 2,360 | 27 | Clean |
| Crescent Water Assn | Joyce, WA | 2,360 | 90 | Clean |
| Slippery Rock Campground Assn | Slippery Rock, PA | 2,360 | 36 | - |
| Yokena-Jeff Davis Water District Inc | Vicksburg, MS | 2,360 | 44 | - |
| Dakota Magic Casino | Hankinson, 08 | 2,360 | 309 | - |
| Beresford | Beresford, SD | 2,359 | 2 | - |
| Clearlake Oaks County Water District | Clearlake Oak, CA | 2,359 | 21 | - |
| El Rosario | San German, PR | 2,358 | 120 | Clean |
| Hickory-Kerton Wtr Coop | Rushville, IL | 2,358 | 38 | - |
| Pleasants Co Psd | Pennsboro, WV | 2,357 | 24 | Detected |