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
Baton Rouge Water Company Baton Rouge, LA 596,844 16 Clean
New Orleans Carrollton Water Works New Orleans, LA 334,903 30 Detected
E Jefferson Ww District 1 Jefferson, LA 275,163 2 Detected
Shreveport Water System Shreveport, LA 192,378 135 Detected
Lafayette Utilities Water System Lafayette, LA 169,389 2 Clean
W Jefferson Ww District 2 Jefferson, LA 140,264 14 Detected
Schriever Water Treatment Service Area Houma, LA 116,460 30 Detected
Lafourche Water District 1 Lockport, LA 81,609 11 Detected
City of Lake Charles Water System Lake Charles, LA 79,500 15 Clean
City of Bossier City Water System Bossier City, LA 78,960 15 Clean
Ward II Water District Denham Springs, LA 73,506 24 Clean
Tangipahoa Parish Water District Hammond, LA 72,504 103 Clean
City of Alexandria Water System Alexandria, LA 66,798 41 Clean
New Iberia Water System (Lawco) Baton Rouge, LA 59,928 20 Clean
Monroe Water System Monroe, LA 57,000 67 Detected
St Charles Parish Dept of Waterworks Luling, LA 52,879 9 Detected
New Orleans Algiers Water Works New Orleans, LA 52,785 44 Detected
St Bernard Parish Waterworks Chalmette, LA 44,783 285 Clean
Slidell Water Supply Slidell, LA 35,547 98 Clean
St John Water District 3 Laplace, LA 31,965 8 Clean
Zachary Water System Zachary, LA 31,569 39 Clean
Natchitoches Water System Natchitoches, LA 27,693 88 Detected
City of Denham Springs Water System Denham Springs, LA 25,725 26 Clean
Sulphur City of Water System Sulphur, LA 24,489 71 Clean
Vermilion Waterworks District 1 Maurice, LA 24,132 71 Clean
Beauregard Water Works Dist #3 Longville, LA 24,000 48 Clean
Ruston Water System Ruston, LA 22,468 19 Clean
Assumption Parish Ww District 1 Napoleonville, LA 21,366 208 Detected
City of Hammond Water System Hammond, LA 21,135 56 Clean
Calcasieu Parish Ww District No 1 Lake Charles, LA 20,837 30 Clean
City of Opelousas Water System Opelousas, LA 20,388 140 Clean
City of Pineville Water System Pineville, LA 20,358 69 Clean
Rapides Parish Waterworks District 3 Tioga, LA 19,983 32 Clean
Belle Chasse Water District Belle Chasse, LA 19,644 67 Detected
St Tam Parish- Bedico -Faubourg-Coquille Covington, LA 18,372 9 Clean
Bastrop Water System Bastrop, LA 18,105 26 Clean
Crowley Water System (Lawco) Baton Rouge, LA 17,733 4 Clean
St Tam Parish - Briarwood Terrace Covington, LA 17,536 48 Clean
Gretna Waterworks Gretna, LA 17,026 72 Detected
Lpwdn North Region Lafayette, LA 16,833 13 Clean
City of Gonzales Water System Gonzales, LA 16,806 84 Clean
Blanchard Water System Blanchard, LA 16,326 153 Clean
Minden Water System Minden, LA 16,281 41 Clean
Covington Water Supply Covington, LA 16,185 76 Clean
West Monroe Water System West Monroe, LA 16,005 203 Clean
Walker Water System Walker, LA 15,813 44 Clean
Eunice Water System (Lawco) Baton Rouge, LA 15,393 0 Clean
Lpwd South Duson, LA 15,132 16 Clean
Thibodaux Waterworks Thibodaux, LA 14,862 180 Clean
East Feliciana Rural Water Ethel, LA 14,829 74 Clean
Page 1 of 25 Next →