PlainWater

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.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
Town of Lake Arthur Water System Lake Arthur, LA 2,706 13 Clean
Utilities Inc- Whitehall/ Head of Island Mandeville, LA 2,676 33 -
Pendleton Water Association Many, LA 2,634 1,060 -
Avoyelles Ward 3 Waterworks District Mansura, LA 2,619 6 -
Evangeline Ww District 1 - Pine Prairie Pine Praire, LA 2,598 33 -
Prairie Road Water District Monroe, LA 2,598 312 -
Village of Cankton Water System Cankton, LA 2,598 67 -
Town of Olla Water System Olla, LA 2,565 140 -
Town of Colfax Colfax, LA 2,552 76 -
Town of White Castle Water System White Castle, LA 2,550 29 -
Town of Zwolle Water System Zwolle, LA 2,520 301 -
Start Water System Start, LA 2,514 15 -
St Tam Parish Pineland Park Subd Covington, LA 2,500 15 -
Exxonmobil Baton Rouge Refinery Baton Rouge, LA 2,500 3 -
North Oaks Medical Center Hammond, LA 2,500 18 -
Delta Downs Inc Water System Vinton, LA 2,481 39 -
Mamou Road Water District, Inc Eunice, LA 2,478 156 -
Town of Glenmora Water System Glenmora, LA 2,472 39 -
Nebo Water System Inc Harrisonburg, LA 2,460 40 -
Town of Delcambre Water System Delcambre, LA 2,457 48 -
Logansport Water System Logansport, LA 2,448 135 -
Town of Rosepine Water System Rosepine, LA 2,427 31 -
Holmesville Water System Downsville, LA 2,406 362 -
Pointe Coupee Wwks District 2 - Hwy 10 New Roads, LA 2,401 18 -
Town of Basile Water System Basile, LA 2,400 245 -
Innis Water Corporation Inc Innis, LA 2,400 16 -
Town of Plain Dealing Water System Plain Dealing, LA 2,346 475 -
Fairview Union Water System Coushatta, LA 2,346 1,589 Clean
Te Mamou Water District Ville Platte, LA 2,319 50 -
Utilities Inc - French Settlement Mandeville, LA 2,313 5 -
Dogwood South Water System Benton, LA 2,304 9 -
Town of St Francisville Water System St. Francisville, LA 2,304 20 -
Ringgold Water System Ringgold, LA 2,283 122 -
St Martin Water and Sewer Commission 1 Morgan City, LA 2,262 95 -
Black River Water System Harrisonburg, LA 2,256 48 -
Central Grant Water System Dry Prong, LA 2,250 110 -
Utilities Inc - Green Brier Water Supply Mandeville, LA 2,250 36 -
Point Wilhite WS Downsville, LA 2,235 405 -
Ascension Consolidated Utility Dist 1 Donaldsonville, LA 2,229 261 -
Town of Evergreen Water System Evergreen, LA 2,205 25 -
Kentwood Water System Kentwood, LA 2,205 79 -
Town of Duson Water System Duson, LA 2,190 27 -
Pioneer Darnell Water System Pioneer, LA 2,190 21 -
Village of Palmetto Water System Palmetto, LA 2,178 199 -
Better Waterworks Water System West Monroe, LA 2,160 331 -
Fort Polk North Housing Water System Fort Johnson, LA 2,155 7 -
Oil City Water Works Oil City, LA 2,148 1,085 -
Town of Simmesport Water System Simmesport, LA 2,142 36 -
Gulf Stream Manor Water System Lake Charles, LA 2,130 210 -
Calcasieu Parish Ww 12 Ward 3 Lake Charles, LA 2,130 4 -
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