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EWG's Tap Water Database — 2021 UPDATE

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Utility name City People served
Assumption Parish Waterworks District 1 Napoleonville Population served: 22,862
Barksdale Afb Water System Barksdale AFB Population served: 13,000
Bastrop Water System Bastrop Population served: 18,741
Baton Rouge Water Company Baton Rouge Population served: 527,067
Bayou Liberty Water Association Slidell Population served: 10,500
Beauregard Water Works District #3 Dry Creek Population served: 21,600
Belle Chasse Water District Belle Chasse Population served: 17,391
Blanchard Water System Blanchard Population served: 13,650
Bossier City Water System Bossier City Population served: 68,094
Brownville Water System West Monroe Population served: 10,872
Buckeye Water District 50 Deville Population served: 11,700
Calcasieu Parish WW District 9 Carlyss Sulphur Population served: 13,500
Calcasieu Parish WW District No 1 Lake Charles Population served: 20,837
Cecilia Water Corporation Cecilia Population served: 11,529
City of Abbeville Water System Abbeville Population served: 15,012
City of Alexandria Water System Alexandria Population served: 54,782
City of Baker Water System Baker Population served: 13,855
City of Bogalusa Water System Bogalusa Population served: 14,000
City of Denham Springs Water System Denham Springs Population served: 25,725
City of Deridder Water System Deridder Population served: 14,400
City of Gonzales Water System Gonzales Population served: 15,024
City of Hammond Water System Hammond Population served: 21,135
City of Jennings Water System Jennings Population served: 10,365
City of Lake Charles Water System Lake Charles Population served: 85,000
City of Opelousas Water System Opelousas Population served: 20,229
City of Pineville Water System Pineville Population served: 20,315
City of Plaquemine Water System Plaquemine Population served: 14,043
City of Youngsville Purchase Ws Youngsville Population served: 14,259
Covington Water Supply Covington Population served: 14,700
Crowley Water System (LAWCO) Baton Rouge Population served: 19,000
East Jefferson Waterworks District 1 Jefferson Population served: 243,782
Eden Isles Water Supply St. Ann Population served: 10,155
Eunice Water System (LAWCO) Baton Rouge Population served: 15,753
Gretna Waterworks Gretna Population served: 17,802
Houma Water Treatment Service Area Houma Population served: 31,560
Lafayette Utilities Water System Lafayette Population served: 175,566
Lafourche Water District 1 Lockport Population served: 78,760
Lakeshore Swartz Water System West Monroe Population served: 11,330
LPWD South Maurice Population served: 13,089
LPWDN North Region Lafayette Population served: 17,202
Mandeville Water Supply Mandeville Population served: 13,000
Minden Water System Minden Population served: 16,950
Monroe Water System Monroe Population served: 52,572
Morgan City Water System Morgan City Population served: 12,703
Natchitoches Water System Natchitoches Population served: 30,000
New Iberia Water System (lAWCO) Baton Rouge Population served: 59,769
New Orleans Algiers Water Works New Orleans Population served: 52,785
New Orleans Carrollton Waterworks New Orleans Population served: 291,044
North Monroe Et Al Water System West Monroe Population served: 10,866
Rapides Parish Waterworks District 3 Tioga Population served: 19,983
Ruston Water System Ruston Population served: 22,468
Schriever Water Treatment Service Area Houma Population served: 97,152
Shreveport Water System Shreveport Population served: 201,000
Slidell Water Supply Slidell Population served: 38,612
Southwest Ouachita Waterworks Inc. West Monroe Population served: 10,092
St Bernard Parish Waterworks Chalmette Population served: 44,000
St Charles Water District 1 East Bank Luling Population served: 52,879
St John Water District 1 Laplace Population served: 12,577
St John Water District 3 Laplace Population served: 29,872
St Tam Parish - Briarwood Terrace Covington Population served: 15,369
Sulphur Water System Sulphur Population served: 20,632
Tangipahoa Parish Water District Hammond Population served: 59,529
Thibodaux Waterworks Thibodaux Population served: 15,810
Utilities Inc. - North Park Water Supply Mandeville Population served: 11,298
Village of Parks Water System Parks Population served: 12,360
Village Water System Princeton Population served: 10,644
Walker Water System Walker Population served: 13,530
Ward II Water District Denhams Springs Population served: 58,560
Water Works District #1 of Vermilion Maurice Population served: 21,600
West Baton Rouge Water Works District 2 Port Allen Population served: 13,437
West Feliciana Consol Wwks District 13 St. Francisville Population served: 10,956
West Hwy 80 Ark Road WS West Monroe Population served: 13,386
West Jefferson Waterworks District 2 Jefferson Population served: 188,770
West Monroe Water System West Monroe Population served: 15,930
Zachary Water System Zachary Population served: 23,469