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Iowa utilities 401 to 500.

Each serves 499 to 764 people, as it reports to EPA. Your ZIP code finds yours faster.

Matched to your utility using EPA records.

401 to 500 of 1,075, by people served

Iowa utilities, 401 to 500 of 1,075, by people served
UtilityBased inServesRegulated PFASHealth-based violations since 2016
Alden Water SupplyAlden764Not sampled0
Exira Water DeptExira764Not sampled0
Garnavillo Water SupplyGarnavillo763Not sampled0
Rockford Water SupplyRockford762Not sampled0
Western Hills (Mobile) EstatesCoralville760Not sampled0
Manilla Muni Service DeptManilla758Not sampled0
Morning Sun Water DepartmentMorning Sun752Not sampled0
McGregor Water DeptMcGregor747Not sampled0
Redfield Water WorksRedfield746Not sampled0
Blairstown Water SupplyBlairstown738Not sampled1
Montrose Water WorksMontrose738Not sampled1
Schaller Water SupplySchaller729Not sampled2
Hedrick Water SupplyHedrick728Not sampled0
Shelby Water SupplyShelby727Not sampled0
Whiting Water SupplyWhiting727Not sampled0
Grand Jct Municipal Water DeptGrand Junction725Not sampled0
Earlville Muni Water SupplyEarlville724Not sampled0
Essex Water SupplyEssex722Not sampled0
Oxford Water SupplyOxford722Not sampled0
Wellsburg Water SupplyWellsburg721Not sampled0
Hospers Municipal Water DeptHospers718Not sampled0
Merrill Municipal Water SupplyMerrill717Not sampled0
Ventura Water WorksVentura717Not sampled0
Hazleton Water SupplyHazleton713Not sampled0
Timberline Estates, Ltd.West Burlington712Not sampled0
Bancroft Water SupplyBancroft711None found0
Yes Regency Manor LLCDes Moines710Not sampled0
Boyden Municipal Water SupplyBoyden709Not sampled0
Stratford Muni Water DeptStratford707Not sampled0
The MeadowsDes Moines702Not sampled0
Coggon Water DepartmentCoggon701Not sampled0
Battle Creek Water SupplyBattle Creek700Not sampled0
Lakeside Water SupplyLakeside700Not sampled0
Woodward Resource CenterWoodward700Not sampled1
Dexter Water SupplyDexter693Not sampled0
Walker Water WorksWalker688Not sampled0
Elgin Municipal Water SupplyElgin685Not sampled0
Murray Water WorksMurray684Not sampled0
Albert City Muni Water SupplyAlbert City677Not sampled0
Alburnett Water SupplyAlburnett675Not sampled0
Pomeroy Water SupplyPomeroy671Not sampled1
Fontanelle Water WorksFontanelle670Not sampled0
Yes Western Village LLCWest Des Moines670Not sampled0
Kanawha Water SupplyKanawha658Not sampled0
Olin Water SupplyOlin651Not sampled0
Southridge EstateDes Moines648Not sampled0
What Cheer Water SupplyWhat Cheer646Not sampled0
Moravia Public Water SupplyMoravia637Not sampled0
Seymour Municipal Utility Water DeptSeymour637Not sampled0
Stanwood Water SupplyStanwood637Not sampled0
Fonda Water SupplyFonda636Not sampled0
Dumont Water SupplyDumont635Not sampled0
Goldfield Water SupplyGoldfield634Not sampled0
Elk Horn Muni Water WorksElk Horn631Not sampled0
Sutherland Water SupplySutherland629Not sampled0
Hopkinton Municipal UtilitiesHopkinton622Not sampled0
Agency Water WorksAgency620Not sampled0
Doon Water SupplyDoon619Not sampled0
Kellogg Water SupplyKellogg617Not sampled0
Grand Mound Water SupplyGrand Mound615Not sampled0
Moulton Water DepartmentMoulton607Not sampled0
Lyon - Sioux RWS - BoydenRock Rapids605Not sampled0
Farmington Water SupplyFarmington601Not sampled0
Brighton Municipal Water SupplyBrighton600Not sampled0
Cedar Terrace MhcCedar Rapids600Not sampled0
Keystone Water SupplyKeystone599Not sampled4
Minden Water SupplyMinden598Not sampled0
Ireton Water SupplyIreton590Not sampled0
Early Municipal Water SupplyEarly587Not sampled5
Clermont Water SupplyClermont586None found0
Swea City Water SupplySwea City584Not sampled0
Gilman Water SupplyGilman582Not sampled0
Everly Water SupplyEverly575Not sampled0
New Hartford Water SupplyNew Hartford570Not sampled0
Badger Water SupplyBadger561Not sampled0
Radcliffe Municipal WaterRadcliffe561Not sampled0
Val Vista EstatesDes Moines553Not sampled0
Terrace HeightsDubuque548Not sampled0
Anthon Municipal Water SystemAnthon545Not sampled0
Delmar Water SupplyDelmar542Not sampled1
Richland Water SupplyRichland542Not sampled0
Sunset VillageMarshalltown528Not sampled0
Zearing Water DepartmentZearing528Not sampled2
Dows Water SupplyDows526Not sampled0
Arcadia Water SupplyArcadia525Not sampled0
Truro WaterworksTruro525Not sampled0
Wyoming Water SystemWyoming523Not sampled0
Charter Oak Water SupplyCharter Oak522Not sampled0
Whittemore Muni Water SupplyWhittemore522Not sampled0
Ripleys Mhc IA LLCMuscatine520Not sampled0
Ellsworth Public Water SupplyEllsworth514Not sampled0
Ainsworth Water WorksAinsworth511Not sampled0
Scranton Water SystemScranton511Not sampled0
Titonka Water SupplyTitonka511Not sampled0
Rolfe Water SupplyRolfe509Not sampled0
Sabula Water SupplySabula506Not sampled0
Collins Water SupplyCollins505Not sampled0
Elma Water SupplyElma505Not sampled0
Breda Water SupplyBreda502Not sampled0
Thompson Water WorksThompson499Not sampled0

Every utility EPA sampled for PFAS under UCMR 5, any other community system serving 3,300 people or more, and any smaller one with results from 2020 on, from the state. Other systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q3, UCMR 5 and EPA’s 2012 to 2019 compliance results, and Iowa Department of Natural Resources, Water Supply Programs.