Official PFAS Records
Louisiana PFAS Watchlist
Official EPA UCMR 5 PFAS monitoring records for public water systems in Louisiana. 233 water systems with qualifying official records.
Source retrieved: April 20, 2026 ยท EPA UCMR 5
Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology
233
Systems with records
33,779
Total records
107
Official detections
| Water System | Records | |
|---|---|---|
Baton Rouge Water Company | 2378 | View |
E Jefferson Ww District 1 | 348 | View |
Shreveport Water System | 116 | View |
Lafayette Utilities Water System | 277 | View |
W Jefferson Ww District 2 | 116 | View |
Schriever Water Treatment Service Area | 116 | View |
City of Lake Charles Water System | 348 | View |
City of Bossier City Water System | 116 | View |
Ward Ii Water District | 986 | View |
Tangipahoa Parish Water District | 696 | View |
City of Alexandria Water System | 23 | View |
New Iberia Water System (lawco) | 58 | View |
St Charles Parish Dept of Waterworks | 118 | View |
New Orleans Algiers Water Works | 45 | View |
St Bernard Parish Waterworks | 116 | View |
Slidell Water Supply | 406 | View |
St John Water District 3 | 29 | View |
Zachary Water System | 283 | View |
Natchitoches Water System | 41 | View |
City of Denham Springs Water System | 290 | View |
Sulphur City of Water System | 116 | View |
Vermilion Waterworks District 1 | 171 | View |
Beauregard Water Works Dist #3 | 348 | View |
Ruston Water System | 522 | View |
Assumption Parish Ww District 1 | 116 | View |
City of Hammond Water System | 290 | View |
Calcasieu Parish Ww District No 1 | 116 | View |
City of Opelousas Water System | 116 | View |
City of Pineville Water System | 203 | View |
Rapides Parish Waterworks District 3 | 265 | View |
Belle Chasse Water District | 116 | View |
St Tam Parish- Bedico -faubourg-coquille | 290 | View |
Bastrop Water System | 116 | View |
St Tam Parish - Briarwood Terrace | 290 | View |
Gretna Waterworks | 116 | View |
City of Gonzales Water System | 174 | View |
Blanchard Water System | 116 | View |
Minden Water System | 58 | View |
Covington Water Supply | 174 | View |
West Monroe Water System | 290 | View |
Walker Water System | 232 | View |
Eunice Water System (lawco) | 116 | View |
West Hwy 80 Ark Road Ws | 116 | View |
Calcasieu Parish Ww Dist 9 Carlyss | 58 | View |
City of Deridder Water System | 232 | View |
City of Abbeville Water System | 58 | View |
City of Plaquemine Water System | 116 | View |
City of Bogalusa Water System | 174 | View |
City of Baker Water System | 232 | View |
West Baton Rouge Water Works District 2 | 290 | View |
Gowc North Water System | 232 | View |
Barksdale Afb Water System | 116 | View |
Mandeville Water Supply | 174 | View |
Village of Parks Water System | 58 | View |
Morgan City Water System | 116 | View |
Cecilia Water Corporation | 58 | View |
Buckeye Water District 50 | 116 | View |
West Feliciana Consol Wwks District 13 | 145 | View |
Gowc East Water System | 116 | View |
Houma Water Treatment Service Area | 116 | View |
City of Carencro Water System | 116 | View |
Utilities Inc - North Park Water Supply | 261 | View |
Cheniere Drew North Water System | 290 | View |
Fort Polk South Water System | 116 | View |
Village Water System | 464 | View |
Bayou Liberty Water Association | 116 | View |
Southwest Ouachita Waterworks, Inc | 318 | View |
City of Leesville Water System | 58 | View |
St John Water District 1 | 87 | View |
Port Sulphur Water District | 116 | View |
Magnolia-eden Isles | 58 | View |
Bayou Teche Water Works | 58 | View |
City of Jennings Water System | 58 | View |
Jeff Davis Water and Sewer Commission 1 | 58 | View |
Parish Utilities of Ascension | 116 | View |
Water & Sewer Commission 4 of St Mary | 116 | View |
Town of Leonville Water System | 174 | View |
Fort Polk North Water System | 58 | View |
New Roads Water System | 58 | View |
Town of Livingston Water System | 174 | View |
Iberia Water Works District 3 - Coteau | 58 | View |
Wwks District 2 of St Helena | 406 | View |
Magnolia Plantation Water System Inc | 58 | View |
City of Breaux Bridge Water System | 58 | View |
Tallulah Water System | 58 | View |
Westwego Waterworks | 116 | View |
Patterson Water System | 116 | View |
Natchitoches Parish Wwks District 2 | 58 | View |
Franklin Water Supply | 87 | View |
Lewisburg Bellevue Water System | 58 | View |
Southwest Allen Ww District No 2 | 174 | View |
St Tam Parish - Cross Gates Sd | 116 | View |
Town of Benton Water System | 116 | View |
Magnolia-greenleaves | 116 | View |
Springhill Water System | 116 | View |
North Desoto Water System | 174 | View |
City of Marksville Water System | 58 | View |
City of St Martinville Water System | 58 | View |
Winnsboro Water System | 55 | View |
St James Water District 2 | 116 | View |
Mansfield Water System | 116 | View |
St Mary Water & Sewer Comm #3 | 112 | View |
Savoy Swords Water System Inc | 58 | View |
Town of Albany Water System | 174 | View |
St James Water District 1 | 91 | View |
City of Winnfield Water System | 41 | View |
Desoto Parish Water Works District 1 | 58 | View |
Sabine Parish Water District 1 | 58 | View |
Concordia Waterworks District 1 | 58 | View |
Houston River Waterworks District 11 | 58 | View |
Magnolia-resolve Whisperwood | 116 | View |
Calcasieu Parish Ww District 8 | 116 | View |
Southeast Waterworks District 2 | 58 | View |
Port Allen Water System | 116 | View |
Ebarb Wwks Dist # 1 - Aimwell Area | 58 | View |
East Iberville Water System | 29 | View |
Pontchatoula Water System | 174 | View |
Beauregard District No 2 Ward No 5 | 116 | View |
Intracoastal Water System West | 91 | View |
Plaisance Water System | 58 | View |
East Central Vernon Water System | 232 | View |
Louisiana State Penitentiary | 58 | View |
City of Vidalia Water System | 29 | View |
Utilities Inc - Kingspoint Subdivision | 116 | View |
Jonesboro Water System | 348 | View |
Cadeville Water District | 232 | View |
City of Jeanerette Water System | 58 | View |
City of Oakdale Water System | 58 | View |
Prairie Ronde Water System Inc | 116 | View |
Lee Road Water Corporation | 116 | View |
Grambling State University Ws | 87 | View |
South Toledo Bend Water District | 116 | View |
Waterworks District 7 | 232 | View |
Town & Country Service | 116 | View |
Jeff Davis Central Waterworks District | 58 | View |
Fifth Ward Water System | 58 | View |
Rapides Island Water Association Inc | 290 | View |
Wbr District 4 -section Road Winterville | 174 | View |
Cypress Black Bayou Water System | 116 | View |
Farmerville Water System | 174 | View |
Calcasieu Parish Ww District No 5 | 58 | View |
St Mary Parish W&s #2 Bayou Vista | 116 | View |
Dequincy Water System (lawco) | 116 | View |
Egan Water Corporation | 56 | View |
Town of Haughton Water System | 464 | View |
Calcasieu Parish Ww District No 4 | 58 | View |
Vernon Parish Water and Sewer Commission | 174 | View |
South Grant Water Corporation | 174 | View |
Monterey Rural Water System Inc | 58 | View |
Town of Greenwood Water System | 116 | View |
St. Tammany Water District #2 | 58 | View |
Town of Bunkie Water System | 58 | View |
City of Broussard Water System | 58 | View |
Henderson Nina Water System Inc | 58 | View |
Town of Berwick | 92 | View |
Kolin Ruby Wise Waterwork District 11 a | 116 | View |
Grambling Water System | 174 | View |
Pinehill Waterworks District | 232 | View |
Westlake City of Water System | 149 | View |
Rayville Water System | 58 | View |
Town of Woodworth Water System | 116 | View |
Calcasieu Parish Ww District 7 | 58 | View |
Lutcher Waterworks | 91 | View |
St Landry Water Works District 2 Rural | 58 | View |
Magnolia-the Meadows | 29 | View |
Beau Chene Water System | 116 | View |
Gardner Community Water System | 174 | View |
Homer Water System | 116 | View |
United Water System | 58 | View |
Keatchie Water System | 406 | View |
Many Water System | 203 | View |
West Vernon Parish Waterworks District | 58 | View |
Town of Sunset Water System | 87 | View |
City of Kaplan Water System | 58 | View |
Wbr Public Utilities | 290 | View |
Town of Welsh Water System | 58 | View |
Town of Amite Water System | 174 | View |
Utilities Inc - Hammond Heights | 232 | View |
Town of Plaucheville Water System | 116 | View |
Varnado Water Works | 87 | View |
Archibald Water System | 116 | View |
Bogue-lusa Water Works District | 58 | View |
Jeff Davis Water District 4 | 58 | View |
Town of Franklinton Water System | 174 | View |
Arcadia Water System | 58 | View |
Tangipahoa (second Ward) Water District | 232 | View |
Town of Vinton Water System | 58 | View |
South Vernon Parish Waterworks District | 29 | View |
Wesley Chapel Water System | 232 | View |
Delhi Water Supply | 58 | View |
Vivian Water System | 116 | View |
Town of Arnaudville Water System | 58 | View |
Pollock Area Water System Inc | 116 | View |
Avoyelles Parish Waterworks District 1 | 58 | View |
South Claiborne Water System | 174 | View |
Tensas Water District Association | 116 | View |
Town of Port Barre Water System | 58 | View |
Town of Ferriday Water System | 58 | View |
Lawtell Water Works District No 1 | 58 | View |
Brouillette Water System Inc | 58 | View |
Avoyelles Ward One Water System Inc | 58 | View |
St John Water District 2 | 116 | View |
Abita Springs Water System | 116 | View |
Town of Iowa Water System | 29 | View |
Town of Jena Water System | 231 | View |
Forest Hill Utilities | 58 | View |
Lena Water System Inc | 232 | View |
Cameron Parish Ww District 11-sweet Lake | 116 | View |
New Carroll Water System | 58 | View |
Consolidated Waterworks District 2 | 116 | View |
Rural Franklinton Water | 116 | View |
Greater Ward 1 Waterworks District | 116 | View |
Town of Pearl River | 116 | View |
West Grant Water Association | 58 | View |
New Llano Water Department | 116 | View |
Town of Maringouin | 112 | View |
Coushatta Water System | 58 | View |
Culbertson Water System | 174 | View |
Town of Erath Water System | 58 | View |
Gramercy Waterworks | 116 | View |
Town of Lake Arthur Water System | 116 | View |
Fairview Union Water System | 87 | View |
Folsom Water Supply | 174 | View |
Pleasant Valley Water System | 116 | View |
North Iberville Water System | 116 | View |
Summerville Water System | 58 | View |
Greensburg Water System | 29 | View |
Dubach Water System | 116 | View |
Westview Water Works | 58 | View |
Doyline Waterworks District 1 | 29 | View |
Cameron Parish Ww District 9 | 174 | View |
Varnado Water Works - Pine | 174 | View |
Gillis Long Center | 29 | View |
Source: EPA UCMR 5 Occurrence Data ยท Methodology