Public Water Systems
1,234 active public water systems in LA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Lee Road Water Corporation | Covington, LA | 6,048 | 25 | Clean |
| Grambling State University WS | Grambling, LA | 6,000 | 163 | Clean |
| South Toledo Bend Water District | Many, LA | 5,943 | 200 | Detected |
| Town of Berwick | Berwick, LA | 5,898 | 14 | Detected |
| Lake Providence Water System | Lake Providence, LA | 5,850 | 167 | Clean |
| Waterworks District 7 | Keithville, LA | 5,817 | 52 | Clean |
| Town & Country Service | Monroe, LA | 5,715 | 46 | Detected |
| Jeff Davis Central Waterworks District | Welsh, LA | 5,709 | 1 | Clean |
| Fifth Ward Water System | Marksville, LA | 5,676 | 33 | Clean |
| Rapides Island Water Association Inc | Boyce, LA | 5,658 | 36 | Clean |
| East Side Water System | Ville Platte, LA | 5,640 | 94 | Clean |
| Wbr District 4 -Section Road Winterville | Port Allen, LA | 5,571 | 14 | Clean |
| Cypress Black Bayou Water System | Benton, LA | 5,520 | 32 | Clean |
| Farmerville Water System | Farmerville, LA | 5,400 | 326 | Detected |
| Calcasieu Parish Ww District No 5 | Lake Charles, LA | 5,388 | 37 | Clean |
| St Mary Parish W&S #2 Bayou Vista | Patterson, LA | 5,379 | 2 | Detected |
| Dequincy Water System (Lawco) | Baton Rouge, LA | 5,370 | 1 | Clean |
| Egan Water Corporation | Egan, LA | 5,358 | 125 | Clean |
| Town of Haughton Water System | Haughton, LA | 5,355 | 35 | Clean |
| Calcasieu Parish Ww District No 4 | Westlake, LA | 5,340 | 28 | Clean |
| Vernon Parish Water and Sewer Commission | New Llano, LA | 5,295 | 50 | Clean |
| South Grant Water Corporation | Bently, LA | 5,289 | 17 | Clean |
| Monterey Rural Water System Inc | Monterey, LA | 5,250 | 32 | Clean |
| Town of Greenwood Water System | Greenwood, LA | 5,205 | 79 | Detected |
| St. Tammany Water District #2 | Covington, LA | 5,200 | 36 | Clean |
| Town of Bunkie Water System | Bunkie, LA | 5,169 | 11 | Clean |
| Village of Turkey Creek Water System | Turkey Creek, LA | 5,169 | 31 | Clean |
| City of Broussard Water System | Broussard, LA | 5,151 | 54 | Clean |
| Henderson Nina Water System Inc | Breaux Bridge, LA | 5,136 | 18 | Clean |
| Kolin Ruby Wise Waterwork District 11 A | Pineville, LA | 4,992 | 9 | Clean |
| Grambling Water System | Grambling, LA | 4,949 | 129 | Clean |
| Pinehill Waterworks District | Shreveport, LA | 4,926 | 104 | Detected |
| Westlake City of Water System | Westlake, LA | 4,858 | 57 | Clean |
| Rayville Water System | Rayville, LA | 4,842 | 409 | Detected |
| Fourth Ward Water Works | Albany, LA | 4,839 | 25 | - |
| Town of Woodworth Water System | Woodworth, LA | 4,818 | 52 | Clean |
| Calcasieu Parish Ww District 7 | Dequincy, LA | 4,791 | 15 | Clean |
| Lutcher Waterworks | Lutcher, LA | 4,781 | 87 | Detected |
| St Landry Water Works District 2 Rural | Sunset, LA | 4,761 | 31 | Clean |
| Magnolia-The Meadows | Des Peres, LA | 4,701 | 21 | Clean |
| Beau Chene Water System | Mandeville, LA | 4,650 | 12 | Clean |
| Bayou Des Cannes Water System | Basile, LA | 4,578 | 38 | Clean |
| Gardner Community Water System | Boyce, LA | 4,566 | 40 | Clean |
| Town of Mamou Water System | Mamou, LA | 4,559 | 247 | Clean |
| Colyell Community Water | Livingston, LA | 4,544 | 57 | - |
| United Water System | Arnaudville, LA | 4,446 | 209 | Clean |
| Many Water System | Many, LA | 4,428 | 122 | Clean |
| West Vernon Parish Waterworks District | Anacoco, LA | 4,365 | 22 | Clean |
| Town of Sunset Water System | Sunset, LA | 4,356 | 90 | Clean |
| City of Kaplan Water System | Kaplan, LA | 4,340 | 52 | Clean |