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Browse Water Systems

5,018 public water systems in LA.

Public Water Systems Database

Browse 5,018 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
BATON ROUGE WATER COMPANY LA1033005 Louisiana Community 596,844
NEW ORLEANS CARROLLTON WATER WORKS LA1071009 Louisiana Community 334,903
E JEFFERSON WW DISTRICT 1 LA1051001 Louisiana Community 275,163
SHREVEPORT WATER SYSTEM LA1017031 Louisiana Community 192,378
LAFAYETTE UTILITIES WATER SYSTEM LA1055017 Louisiana Community 169,389
PARISH WATER COMPANY LA1033019 Louisiana Community 166,611
W JEFFERSON WW DISTRICT 2 LA1051004 Louisiana Community 140,264
SCHRIEVER WATER TREATMENT SERVICE AREA LA1109002 Louisiana Community 116,460
LAFOURCHE WATER DISTRICT 1 LA1057001 Louisiana Community 81,609
CITY OF LAKE CHARLES WATER SYSTEM LA1019029 Louisiana Community 79,500
CITY OF BOSSIER CITY WATER SYSTEM LA1015004 Louisiana Community 78,960
WARD II WATER DISTRICT LA1063039 Louisiana Community 73,506
TANGIPAHOA PARISH WATER DISTRICT LA1105008 Louisiana Community 72,504
CITY OF ALEXANDRIA WATER SYSTEM LA1079001 Louisiana Community 66,798
NEW IBERIA WATER SYSTEM (LAWCO) LA1045009 Louisiana Community 59,928
MONROE WATER SYSTEM LA1073031 Louisiana Community 57,000
ST CHARLES PARISH DEPT OF WATERWORKS LA1089001 Louisiana Community 52,879
NEW ORLEANS ALGIERS WATER WORKS LA1071001 Louisiana Community 52,785
ST BERNARD PARISH WATERWORKS LA1087001 Louisiana Community 44,783
TERREBONNE DIST NO 2 LA1109003 Louisiana Community 37,000
SLIDELL WATER SUPPLY LA1103041 Louisiana Community 35,547
ST JOHN WATER DISTRICT 3 LA1095007 Louisiana Community 31,965
ZACHARY WATER SYSTEM LA1033030 Louisiana Community 31,569
ST CHARLES WATER DISTRICT 2 WEST BANK LA1089002 Louisiana Community 31,485
NATCHITOCHES WATER SYSTEM LA1069007 Louisiana Community 27,693
CITY OF DENHAM SPRINGS WATER SYSTEM LA1063004 Louisiana Community 25,725
SULPHUR CITY OF WATER SYSTEM LA1019044 Louisiana Community 24,489
VERMILION WATERWORKS DISTRICT 1 LA1113034 Louisiana Community 24,132
BEAUREGARD WATER WORKS DIST #3 LA1011008 Louisiana Community 24,000
RUSTON WATER SYSTEM LA1061017 Louisiana Community 22,468
ASSUMPTION PARISH WW DISTRICT 1 LA1007001 Louisiana Community 21,366
CITY OF HAMMOND WATER SYSTEM LA1105009 Louisiana Community 21,135
CALCASIEU PARISH WW DISTRICT NO 1 LA1019051 Louisiana Community 20,837
CITY OF OPELOUSAS WATER SYSTEM LA1097010 Louisiana Community 20,388
CITY OF PINEVILLE WATER SYSTEM LA1079016 Louisiana Community 20,358
RAPIDES PARISH WATERWORKS DISTRICT 3 LA1079017 Louisiana Community 19,983
BELLE CHASSE WATER DISTRICT LA1075001 Louisiana Community 19,644
ST TAM PARISH- BEDICO -FAUBOURG-COQUILLE LA1103149 Louisiana Community 18,372
BASTROP WATER SYSTEM LA1067003 Louisiana Community 18,105
CROWLEY WATER SYSTEM (LAWCO) LA1001002 Louisiana Community 17,733
ST TAM PARISH - BRIARWOOD TERRACE LA1103079 Louisiana Community 17,536
GRETNA WATERWORKS LA1051003 Louisiana Community 17,026
LPWDN NORTH REGION LA1055191 Louisiana Community 16,833
CITY OF GONZALES WATER SYSTEM LA1005030 Louisiana Community 16,806
BLANCHARD WATER SYSTEM LA1017006 Louisiana Community 16,326
MINDEN WATER SYSTEM LA1119021 Louisiana Community 16,281
COVINGTON WATER SUPPLY LA1103011 Louisiana Community 16,185
WEST MONROE WATER SYSTEM LA1073056 Louisiana Community 16,005
WALKER WATER SYSTEM LA1063017 Louisiana Community 15,813
EUNICE WATER SYSTEM (LAWCO) LA1097022 Louisiana Community 15,393