Tap WaterIndex

← All states

Tap water quality report

Louisiana

Across Louisiana's 815 community water suppliers, 0.1% exceed the EPA lead action level and 2.7% have detectable PFAS.

0.1%
exceed lead action level
(1/814 suppliers)
2.7%
PFOA/PFOS detected
(7/257 suppliers)
815
water suppliers
Lead by supplier PFAS by supplier

Largest water suppliers

Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the EPA action level. “—” means no lead sample is on file for that supplier.
SupplierCityPopulationLead (p90)
Baton Rouge Water Company Baton Rouge 596,844 0.0010 mg/L
New Orleans Carrollton Water Works — 334,903 0.0060 mg/L
E Jefferson Ww District 1 Jefferson 275,163 0.0027 mg/L
City of Shreveport Water System Shreveport 192,378 0.0009 mg/L
Lafayette Utilities Water System Lafayette 169,389 0.0000 mg/L
W Jefferson Ww District 2 Jefferson 140,264 0.0024 mg/L
Schriever Water Treatment Service Area Houma 116,460 0.0010 mg/L
Lafourche Water District 1 Lockport 81,609 0.0000 mg/L
City of Bossier City Water System Bossier City 79,506 0.0010 mg/L
City of Lake Charles Water System Lake Charles 79,500 0.0008 mg/L
Ward Ii Water District Denham Springs 78,147 0.0010 mg/L
Tangipahoa Parish Water District Natalbany 75,873 0.0016 mg/L
City of Alexandria Water System Alexandria 66,798 0.0010 mg/L
Lawco - New Iberia Water System — 59,928 0.0000 mg/L
City of Monroe Water System Monroe 57,000 0.0000 mg/L
St Charles Parish Dept of Waterworks Luling 52,879 0.0020 mg/L
New Orleans Algiers Water Works — 52,785 0.0071 mg/L
St Bernard Parish Waterworks Chalmette 44,783 0.0024 mg/L
Slidell Water Supply Slidell 35,547 0.0000 mg/L
St John Water District 3 Laplace 31,965 0.0010 mg/L
Zachary Water System Zachary 31,569 0.0000 mg/L
City of Natchitoches Water System Natchitoches 27,693 0.0000 mg/L
City of Denham Springs Water System Denham Springs 25,725 0.0010 mg/L
Sulphur City of Water System Sulphur 24,489 0.0020 mg/L
Vermilion Waterworks District 1 Maurice 24,132 0.0023 mg/L
Beauregard Water Works Dist #3 Longville 24,000 0.0020 mg/L
City of Ruston Water System — 22,468 0.0014 mg/L
Assumption Parish Ww District 1 Napoleonville 21,366 0.0020 mg/L
City of Hammond Water System Hammond 21,135 0.0010 mg/L
Calcasieu Parish Ww District No 1 Lake Charles 20,837 0.0020 mg/L
City of Opelousas Water System Opelousas 20,388 0.0020 mg/L
City of Pineville Water System Pineville 20,358 0.0020 mg/L
Rapides Parish Waterworks District 3 — 19,983 0.0000 mg/L
Belle Chasse Water District Belle Chasse 19,644 0.0020 mg/L
St Tam Parish- Bedico -Faubourg-Coquille Covington 18,372 0.0000 mg/L
Bastrop Water System Bastrop 18,105 0.0040 mg/L
Lawco - Crowley Water System — 17,733 0.0030 mg/L
St Tam Parish - Briarwood Terrace Covington 17,536 0.0020 mg/L
Gretna Waterworks — 17,026 0.0000 mg/L
Lpwdn North Region Lafayette 16,833 0.0005 mg/L
City of Gonzales Water System Gonzales 16,806 0.0000 mg/L
Town of Blanchard Water System Blanchard 16,326 0.0020 mg/L
City of Minden Water System Minden 16,281 0.0000 mg/L
City of Covington Water Supply Covington 16,185 0.0000 mg/L
West Monroe Water System West Monroe 16,005 0.0010 mg/L
Town of Walker Water System Walker 15,813 0.0000 mg/L
Lawco - Eunice Water System — 15,393 0.0020 mg/L
Lpwd South Duson 15,132 0.0000 mg/L
Thibodaux Waterworks — 14,862 0.0000 mg/L
East Feliciana Rural Water Ethel 14,829 0.0000 mg/L
West Hwy 80 Ark Road Ws West Monroe 14,649 0.0030 mg/L
Calcasieu Parish Ww Dist 9 Carlyss Sulphur 14,502 0.0000 mg/L
City of Deridder Water System Deridder 14,400 0.0000 mg/L
City of Abbeville Water System Abbeville 14,217 0.0030 mg/L
City of Plaquemine Water System Plaquemine 14,043 0.0010 mg/L
City of Bogalusa Water System Bogalusa 14,000 0.0020 mg/L
City of Baker Water System Baker 13,855 0.0010 mg/L
West Baton Rouge Water Works District 2 Port Allen 13,437 0.0010 mg/L
Gowc North Water System West Monroe 13,287 0.0010 mg/L
City of Mandeville Water Supply Mandeville 13,000 0.0000 mg/L
Barksdale Afb Water System Barksdale Afb 13,000 0.0000 mg/L
Village of Parks Water System Parks 12,801 0.0020 mg/L
City of Morgan City Water System Morgan City 12,703 0.0000 mg/L
Cecilia Water Corporation Cecilia 12,420 0.0030 mg/L
Buckeye Water District 50 Deville 12,078 0.0020 mg/L
West Feliciana Consol Wwks District 13 St. Francisville 12,045 0.0000 mg/L
Gowc East Water System West Monroe 11,742 0.0020 mg/L
Houma Water Treatment Service Area Houma 11,658 0.0000 mg/L
City of Carencro Water System Carencro 11,301 0.0006 mg/L
Utilities Inc - North Park Water Supply Mandeville 11,298 0.0000 mg/L
Cheniere Drew North Water System West Monroe 11,280 0.0020 mg/L
City of Rayne Water System Rayne 10,908 0.0000 mg/L
Fort Polk South Water System Fort Polk 10,902 0.0000 mg/L
Village Water System Benton 10,890 0.0000 mg/L
Bayou Liberty Water Association Slidell 10,791 0.0000 mg/L
Southwest Ouachita Waterworks, Inc West Monroe 10,725 0.0030 mg/L
Pointe Coupee Water Works District 1 New Roads 10,629 0.0012 mg/L
City of Youngsville Water System Youngsville 10,614 0.0000 mg/L
City of Leesville Water System Leesville 10,545 0.0010 mg/L
St John Water District 1 Laplace 10,484 0.0020 mg/L
Port Sulphur Water District Belle Chasse 10,308 0.0050 mg/L
City of Broussard Purchase Water System — 10,242 0.0003 mg/L
Milton Water System Milton 10,200 0.0040 mg/L
Bayou Teche Water Works — 10,137 0.0030 mg/L
City of Breaux Bridge Water System Breaux Bridge 10,098 0.0010 mg/L
City of Jennings Water System Jennings 9,837 0.0010 mg/L
Jeff Davis Water and Sewer Commission 1 Lake Arthur 9,780 0.0030 mg/L
Parish Utilities of Ascension Donaldsonville 9,732 0.0010 mg/L
Water & Sewer Commission 4 of St Mary Charenton 9,709 0.0000 mg/L
City of Scott Water System Scott 9,696 0.0000 mg/L
Brownville Water System West Monroe 9,696 0.0020 mg/L
Town of Leonville Water System Leonville 9,552 0.0025 mg/L
Mire Branch Water Corporation Church Point 9,480 0.0020 mg/L
Fort Polk North Water System Fort Polk 9,420 0.0011 mg/L
Kiroli Darbonne Ws West Monroe 9,210 0.0000 mg/L
Town of New Roads Water System New Roads 9,024 0.0000 mg/L
Town of Livingston Water System Livingston 8,946 0.0000 mg/L
Iberia Water Works District 3 - Coteau New Iberia 8,775 0.0080 mg/L
Wwks District 2 of St Helena Greensburg 8,772 0.0007 mg/L
Magnolia Plantation Water System Inc Abbeville 8,769 0.0020 mg/L