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Louisiana utilities 101 to 200.

Each serves 4,365 to 8,769 people, as it reports to EPA. Your ZIP code finds yours faster.

Matched to your utility using EPA records.

101 to 200 of 278, by people served

Louisiana utilities, 101 to 200 of 278, by people served
UtilityBased inServesRegulated PFASHealth-based violations since 2016
Magnolia Plantation Water System IncAbbeville8,769None found0
Tallulah Water SystemTallulah8,601None found28
Westwego WaterworksWestwego8,534None found1
City of Patterson Water SystemPatterson8,456None found6
Natchitoches Parish Wwks District 2Natchez8,415None found0
City of Franklin Water SupplyFranklin8,325None found49
Lewisburg Bellevue Water SystemOpelousas8,226None found0
Southwest Allen Ww District No 2Kinder8,106None found29
St Tam Parish - Cross Gates SDCovington8,037None found1
Town of Benton Water SystemBenton8,037None found0
Magnolia - GreenleavesDes Peres8,031None found0
North Franklin Water WorksCrowville7,989None found2
St Mary Water & Sewer Comm #3Centerville7,828None found3
Springhill Water SystemSpringhill7,800None found2
Lee Road Water CorporationCovington7,665None found0
City of Youngsville Purchase WSYoungsville7,623None found1
North Desoto Water SystemStonewall7,608None found0
City of Marksville Water SystemMarksville7,593None found0
Winnsboro Water SystemWinnsboro7,518None found11
St James Water District 2Convent7,513None found1
City of Mansfield Water SystemMansfield7,512None found23
South Monroe WS GowcWest Monroe7,335None found12
Savoy Swords Water System IncEunice7,326None found2
Town of Albany Water SystemAlbany7,305None found0
City of St Martinville Water SystemSt. Martinville7,263None found8
St James Water District 1Convent7,200None found0
City of Winnfield Water SystemWinnfield7,194None found11
Desoto Parish Water Works District 1Mansfield7,173None found8
Sabine Parish Water District 1Many6,924None found15
Concordia Waterworks District 1Ferriday6,921None found2
Houston River Waterworks District 11Sulphur6,915None found1
Magnolia - Resolve WhisperwoodDes Peres6,867None found0
Calcasieu Parish Ww District 8Lake Charles6,834None found0
Southeast Waterworks District 2Abbeville6,810None found0
City of Port Allen Water SystemPort Allen6,759None found1
Ebarb Wwks Dist # 1 - Aimwell AreaZwolle6,738None found29
City of Pontchatoula Water SystemPonchatoula6,657None found0
East Iberville Water SystemPlaquemine6,657None found0
Beauregard District No 2 Ward No 5Singer6,613None found0
City of Ville Platte Water SystemVille Platte6,590None found5
Intracoastal Water System WestPlaquemine6,489None found15
Plaisance Water SystemOpelousas6,465None found2
East Central Vernon Water SystemSlagle6,363None found0
Louisiana State PenitentiaryAngola6,362None found0
Town of Vidalia Water SystemVidalia6,354PFOA, PFOS, PFNA, PFBS1
Utilities Inc - Kingspoint SubdivisionMandeville6,351None found0
Town of Jonesboro Water SystemJonesboro6,231None found35
Cadeville Water DistrictWest Monroe6,219None found33
City of Jeanerette Water SystemJeanerette6,189None found1
City of Oakdale Water SystemOakdale6,114None found6
Prairie Ronde Water System IncLawtell6,090None found2
Grambling State University WSGrambling6,000None found6
South Toledo Bend Water DistrictMany5,943None found26
City of Lake Providence Water SystemLake Providence5,850None found25
Waterworks District 7Keithville5,817None found0
Magnolia - Town & Country ServiceDes Peres5,715None found0
Jeff Davis Central Waterworks DistrictWelsh5,709None found0
Fifth Ward Water SystemMarksville5,676None found1
Rapides Island Water Association IncBoyce5,658None found0
East Side Water SystemVille Platte5,640None found4
Wbr District 4 - Section Road WintervillePort Allen5,571None found0
Henderson Nina Water System IncBreaux Bridge5,535None found1
Cypress Black Bayou Water SystemBenton5,520None found0
St Mary Parish W&S #2 Bayou VistaPatterson5,379None found0
Lawco - Dequincy Water SystemBaton Rouge5,370None found0
Town of Haughton Water SystemHaughton5,355None found8
Town of Farmerville Water SystemFarmerville5,352None found42
Calcasieu Parish Ww District No 4Westlake5,340None found7
Egan Water CorporationEgan5,337None found17
Vernon Parish Water and Sewer CommissionNew Llano5,295None found1
South Grant Water CorporationBentley5,289None found0
Village of Turkey Creek Water SystemTurkey Creek5,289None found0
Monterey Rural Water System IncMonterey5,250None found2
Town of Greenwood Water SystemGreenwood5,205None found8
St Tammany Water District #2Covington5,200None found0
Town of Bunkie Water SystemBunkie5,169None found0
City of Broussard Water SystemBroussard5,151None found2
Calcasieu Parish Ww District No 5Lake Charles5,088None found0
City of BerwickBerwick5,024None found1
Kolin Ruby Wise Waterwork District 11 APineville4,992None found0
Town of Grambling Water SystemGrambling4,949None found12
Pinehill Waterworks DistrictShreveport4,926None found7
Westlake City of Water SystemWestlake4,858None found4
Town of Rayville Water SystemRayville4,842PFHxS32
Fourth Ward Water WorksAlbany4,839Not sampled6
Town of Woodworth Water SystemWoodworth4,818None found0
Calcasieu Parish Ww District 7Dequincy4,791None found0
Town of Lutcher WaterworksLutcher4,781None found5
St Landry Water Works District 2 RuralSunset4,761None found2
Magnolia - the MeadowsDes Peres4,701None found0
Beau Chene Water SystemMandeville4,650None found0
Bayou Des Cannes Water SystemBasile4,578None found0
Gardner Community Water SystemBoyce4,566None found0
Town of Mamou Water SystemMamou4,559None found24
Colyell Community WaterLivingston4,544Not sampled0
Town of Homer Water SystemDenham Springs4,524None found14
Keatchie Water SystemGrand Cane4,446None found21
United Water SystemArnaudville4,446None found17
Town of Many Water SystemMany4,428None found8
West Vernon Parish Waterworks DistrictAnacoco4,365None found1

Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.

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