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 |
|---|---|---|---|---|
| Tattor Road MUD | Houston, TX | 5,400 | 21 | Clean |
| Collinsville | Collinsville, OK | 5,400 | 150 | Clean |
| Bath Village Consolidated Sampling Area | Bath, NY | 5,400 | 228 | Clean |
| Hightstown Water Department | Highstown, NJ | 5,400 | 129 | Clean |
| Dundee | Dundee, MI | 5,400 | 28 | Detected |
| Maine Water Company Millinocket Division | Poland, ME | 5,400 | 30 | Clean |
| Town of Chestertown | Chestertown, MD | 5,400 | 190 | Clean |
| Barnstable Fire District | Barnstable, MA | 5,400 | 26 | Detected |
| Farmerville Water System | Farmerville, LA | 5,400 | 326 | Detected |
| Rigby City Of | Rigby, ID | 5,400 | 88 | Clean |
| Grand County Water No 1 | Winter Park, CO | 5,400 | 747 | Detected |
| Lawrence Waterworks | DE Pere, WI | 5,398 | 90 | Clean |
| City of Rockdale | Rockdale, TX | 5,398 | 84 | Clean |
| Jim Hogg County Wcid 2 | Hebbronville, TX | 5,397 | 506 | Clean |
| Harris County MUD 86 | Houston, TX | 5,397 | 0 | Detected |
| Bilma PUD | Houston, TX | 5,397 | 10 | Detected |
| Manchester | Manchester, GA | 5,397 | 53 | Clean |
| Jea: Ponte Vedra Grid | Jacksonville, FL | 5,395 | 29 | Clean |
| Onset Fire Districtwater Dept. | Onset, MA | 5,392 | 72 | Detected |
| Folkston | Folkston, GA | 5,390 | 21 | Clean |
| Rolling Creek Utility District | Houston, TX | 5,388 | 12 | - |
| Calcasieu Parish Ww District No 5 | Lake Charles, LA | 5,388 | 37 | Clean |
| Ironwood | Ironwood, MI | 5,387 | 2 | Clean |
| Standard Dedeaux Water Association | Kiln, MS | 5,386 | 773 | Clean |
| St. Helena, City Of | St. Helena, CA | 5,386 | 23 | Clean |
| Londonderry | Nashua, NH | 5,380 | 8 | Detected |
| St Mary Parish W&S #2 Bayou Vista | Patterson, LA | 5,379 | 2 | Detected |
| Western Cass WSC | Linden, TX | 5,376 | 17 | Clean |
| L-M-S Conservancy District | Aurora, IN | 5,375 | 95 | Clean |
| Ponderosa Dwid | Pinetop, AZ | 5,375 | 508 | Detected |
| Rio Communities Water System | Elephant Butte, NM | 5,374 | 35 | Clean |
| Hickory Creek Sud | Celeste, TX | 5,373 | 97 | Clean |
| Oak Ridge National Lab X-10 | Oak Ridge, TN | 5,373 | 9 | Clean |
| Goddard, City Of | Goddard, KS | 5,372 | 62 | Detected |
| City of Brady Water System | Brady, TX | 5,371 | 3,578 | Clean |
| Wilson Co Southwest Water Dist | Wilson, NC | 5,370 | 44 | Clean |
| Dequincy Water System (Lawco) | Baton Rouge, LA | 5,370 | 1 | Clean |
| Waterford Waterworks | Waterford, WI | 5,368 | 356 | Clean |
| Sevier Co Water Association | Dequeen, AR | 5,365 | 58 | Clean |
| Cave Springs Waterworks | Cave Springs, AR | 5,365 | 337 | Clean |
| Brookshire MWD | Brookshire, TX | 5,364 | 6 | Clean |
| Southwest Isd Main | San Antonio, TX | 5,364 | 64 | Clean |
| Oliver Springs Water Board | Oak Ridge, TN | 5,361 | 277 | Clean |
| Aqua Illinois-Oak Brook | Kankakee, IL | 5,361 | 1 | - |
| Elba (Ww&eb of the City Of) | Elba, AL | 5,361 | 115 | Clean |
| Marlboro Water Co (Sc3420001) | Bennettsville, SC | 5,360 | 7 | Clean |
| City of Sansom Park | Fort Worth, TX | 5,359 | 95 | Clean |
| North Pike Water Association | Summit, MS | 5,359 | 543 | Clean |
| Kimberly City Of | Kimberly, ID | 5,359 | 48 | - |
| Egan Water Corporation | Egan, LA | 5,358 | 125 | Clean |