What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| Town of Vidalia Water System | Vidalia | 6,354 | 0.0201 µg/L |
| Village of Parks Water System | Parks | 12,801 | 0.0064 µg/L |
| City of Plaquemine Water System | Plaquemine | 14,043 | 0.0062 µg/L |
| Port Sulphur Water District | Belle Chasse | 10,308 | 0.0046 µg/L |
| New Orleans Algiers Water Works | — | 52,785 | 0.0045 µg/L |
| Parish Utilities of Ascension | Donaldsonville | 9,732 | 0.0045 µg/L |
| New Orleans Carrollton Water Works | — | 334,903 | 0.0042 µg/L |
| Baton Rouge Water Company | Baton Rouge | 596,844 | Not detected |
| E Jefferson Ww District 1 | Jefferson | 275,163 | Not detected |
| City of Shreveport Water System | Shreveport | 192,378 | Not detected |
| Lafayette Utilities Water System | Lafayette | 169,389 | Not detected |
| W Jefferson Ww District 2 | Jefferson | 140,264 | Not detected |
| Schriever Water Treatment Service Area | Houma | 116,460 | Not detected |
| Lafourche Water District 1 | Lockport | 81,609 | Not detected |
| City of Bossier City Water System | Bossier City | 79,506 | Not detected |
| City of Lake Charles Water System | Lake Charles | 79,500 | Not detected |
| Ward Ii Water District | Denham Springs | 78,147 | Not detected |
| Tangipahoa Parish Water District | Natalbany | 75,873 | Not detected |
| City of Alexandria Water System | Alexandria | 66,798 | Not detected |
| Lawco - New Iberia Water System | — | 59,928 | Not detected |
| City of Monroe Water System | Monroe | 57,000 | Not detected |
| St Charles Parish Dept of Waterworks | Luling | 52,879 | Not detected |
| St Bernard Parish Waterworks | Chalmette | 44,783 | Not detected |
| Slidell Water Supply | Slidell | 35,547 | Not detected |
| St John Water District 3 | Laplace | 31,965 | Not detected |
| Zachary Water System | Zachary | 31,569 | Not detected |
| City of Natchitoches Water System | Natchitoches | 27,693 | Not detected |
| City of Denham Springs Water System | Denham Springs | 25,725 | Not detected |
| Sulphur City of Water System | Sulphur | 24,489 | Not detected |
| Vermilion Waterworks District 1 | Maurice | 24,132 | Not detected |
| Beauregard Water Works Dist #3 | Longville | 24,000 | Not detected |
| City of Ruston Water System | — | 22,468 | Not detected |
| Assumption Parish Ww District 1 | Napoleonville | 21,366 | Not detected |
| City of Hammond Water System | Hammond | 21,135 | Not detected |
| Calcasieu Parish Ww District No 1 | Lake Charles | 20,837 | Not detected |
| City of Opelousas Water System | Opelousas | 20,388 | Not detected |
| City of Pineville Water System | Pineville | 20,358 | Not detected |
| Rapides Parish Waterworks District 3 | — | 19,983 | Not detected |
| Belle Chasse Water District | Belle Chasse | 19,644 | Not detected |
| St Tam Parish- Bedico -Faubourg-Coquille | Covington | 18,372 | Not detected |
| Bastrop Water System | Bastrop | 18,105 | Not detected |
| Lawco - Crowley Water System | — | 17,733 | Not detected |
| St Tam Parish - Briarwood Terrace | Covington | 17,536 | Not detected |
| Gretna Waterworks | — | 17,026 | Not detected |
| Lpwdn North Region | Lafayette | 16,833 | Not detected |
| City of Gonzales Water System | Gonzales | 16,806 | Not detected |
| Town of Blanchard Water System | Blanchard | 16,326 | Not detected |
| City of Minden Water System | Minden | 16,281 | Not detected |
| City of Covington Water Supply | Covington | 16,185 | Not detected |
| West Monroe Water System | West Monroe | 16,005 | Not detected |
| Town of Walker Water System | Walker | 15,813 | Not detected |
| Lawco - Eunice Water System | — | 15,393 | Not detected |
| Lpwd South | Duson | 15,132 | Not detected |
| Thibodaux Waterworks | — | 14,862 | Not detected |
| East Feliciana Rural Water | Ethel | 14,829 | Not detected |
| West Hwy 80 Ark Road Ws | West Monroe | 14,649 | Not detected |
| Calcasieu Parish Ww Dist 9 Carlyss | Sulphur | 14,502 | Not detected |
| City of Deridder Water System | Deridder | 14,400 | Not detected |
| City of Abbeville Water System | Abbeville | 14,217 | Not detected |
| City of Bogalusa Water System | Bogalusa | 14,000 | Not detected |
| City of Baker Water System | Baker | 13,855 | Not detected |
| West Baton Rouge Water Works District 2 | Port Allen | 13,437 | Not detected |
| Gowc North Water System | West Monroe | 13,287 | Not detected |
| City of Mandeville Water Supply | Mandeville | 13,000 | Not detected |
| Barksdale Afb Water System | Barksdale Afb | 13,000 | Not detected |
| City of Morgan City Water System | Morgan City | 12,703 | Not detected |
| Cecilia Water Corporation | Cecilia | 12,420 | Not detected |
| Buckeye Water District 50 | Deville | 12,078 | Not detected |
| West Feliciana Consol Wwks District 13 | St. Francisville | 12,045 | Not detected |
| Gowc East Water System | West Monroe | 11,742 | Not detected |
| Houma Water Treatment Service Area | Houma | 11,658 | Not detected |
| City of Carencro Water System | Carencro | 11,301 | Not detected |
| Utilities Inc - North Park Water Supply | Mandeville | 11,298 | Not detected |
| Cheniere Drew North Water System | West Monroe | 11,280 | Not detected |
| City of Rayne Water System | Rayne | 10,908 | Not detected |
| Fort Polk South Water System | Fort Polk | 10,902 | Not detected |
| Village Water System | Benton | 10,890 | Not detected |
| Bayou Liberty Water Association | Slidell | 10,791 | Not detected |
| Southwest Ouachita Waterworks, Inc | West Monroe | 10,725 | Not detected |
| Pointe Coupee Water Works District 1 | New Roads | 10,629 | Not detected |
| City of Leesville Water System | Leesville | 10,545 | Not detected |
| St John Water District 1 | Laplace | 10,484 | Not detected |
| Bayou Teche Water Works | — | 10,137 | Not detected |
| City of Breaux Bridge Water System | Breaux Bridge | 10,098 | Not detected |
| City of Jennings Water System | Jennings | 9,837 | Not detected |
| Jeff Davis Water and Sewer Commission 1 | Lake Arthur | 9,780 | Not detected |
| Water & Sewer Commission 4 of St Mary | Charenton | 9,709 | Not detected |
| City of Scott Water System | Scott | 9,696 | Not detected |
| Brownville Water System | West Monroe | 9,696 | Not detected |
| Town of Leonville Water System | Leonville | 9,552 | Not detected |
| Mire Branch Water Corporation | Church Point | 9,480 | Not detected |
| Fort Polk North Water System | Fort Polk | 9,420 | Not detected |
| Kiroli Darbonne Ws | West Monroe | 9,210 | Not detected |
| Town of New Roads Water System | New Roads | 9,024 | Not detected |
| Town of Livingston Water System | Livingston | 8,946 | Not detected |
| Iberia Water Works District 3 - Coteau | New Iberia | 8,775 | Not detected |
| Wwks District 2 of St Helena | Greensburg | 8,772 | Not detected |
| Magnolia Plantation Water System Inc | Abbeville | 8,769 | Not detected |
| Tallulah Water System | Tallulah | 8,601 | Not detected |
| Westwego Waterworks | Westwego | 8,534 | Not detected |