EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

STATE / TERRITORY LEDGER

Indiana drinking water system records

EPA compliance fields for active community water systems reporting at least 2,500 people served.

Systems243active CWS · pop. 2,500+
Population served4,851,497reported total; may overlap
Current violation flag11.1%27 systems
Serious-violator flag1.2%3 systems

01 / LARGEST SYSTEMS

Community water systems in Indiana

Population served is a system-reported service figure. It is not a count of unique state residents.

Water systemPopulation servedPrimary sourceCurrent export status
Citizens Water - IndianapolisIN5249004880,345Surface waterNo current violation flagged
Fort Wayne - 3 Rivers Filtration PlantIN5202020269,994Surface waterNo current violation flagged
Indiana American Water - NorthwestIN5245015210,510Surface waterNo current violation flagged
Evansville Water UtilityIN5282002182,444Surface waterNo current violation flagged
South Bend Water WorksIN5271014115,000Ground waterNo current violation flagged
Indiana American Water - S. IndianaIN5210005104,445Ground waterNo current violation flagged
Carmel Water DepartmentIN522900499,927Groundwater under influence of surface waterNo current violation flagged
Indiana American Water - Johnson CountyIN524100586,813Ground waterNo current violation flagged
City Of Bloomington UtilitiesIN525300283,000Surface waterNo current violation flagged
Hammond Water Works DepartmentIN524502078,384Surface waterNo current violation flagged
Indiana American Water - MuncieIN521801274,030Surface waterNo current violation flagged
Lafayette Water WorksIN527901370,835Ground waterNo current violation flagged
Indiana American Water - Terre HauteIN528401267,765Ground waterNo current violation flagged
Citizens Water Of Westfield, LlcIN522900961,493Ground waterNo current violation flagged
Indiana American Water - KokomoIN523400759,313Surface waterNo current violation flagged
Anderson Water DepartmentIN524800255,212Groundwater under influence of surface waterNo current violation flagged
Columbus Municipal UtilityIN520300251,122Ground waterNo current violation flagged
Purdue Univ. Water WorksIN527901550,000Ground waterNo current violation flagged
Mishawaka UtilitiesIN527100949,675Ground waterNo current violation flagged
City Of Lawrence UtilitiesIN524900549,000Ground waterCurrent serious-violator flag
Elkhart Public Works And UtilitiesIN522000846,455Ground waterNo current violation flagged
Indiana American Water - NoblesvilleIN522901545,575Ground waterNo current violation flagged
Indiana American Water - RichmondIN528901241,485Surface waterNo current violation flagged
Valparaiso Department Of Water WorksIN526402936,000Ground waterNo current violation flagged
Indiana American Water - West LafayetteIN527902035,533Ground waterNo current violation flagged
Plainfield Water WorksIN523202034,477Ground waterNo current violation flagged
Bargersville Water DepartmentIN524100134,418Ground waterNo current violation flagged
Michigan City Department Of Water WorksIN524602033,996Surface waterNo current violation flagged
Goshen Water UtilityIN522000932,267Ground waterNo current violation flagged
Brownsburg Water WorksIN523200231,250Surface water purchasedNo current violation flagged
Crown Point Water WorksIN524500830,000Surface water purchasedNo current violation flagged
Schererville Water DepartmentIN524504130,000Surface water purchasedNo current violation flagged
Marion City Water WorksIN522701428,363Ground waterNo current violation flagged
Greenfield Water UtilityIN523000426,671Ground waterNo current violation flagged
East Chicago Water WorksIN524501226,370Surface waterNo current violation flagged
St. John Municipal Water UtilityIN524504325,700Ground waterNo current violation flagged
Highland Water WorksIN524502123,984Surface water purchasedNo current violation flagged
Munster Water CompanyIN524503123,894Surface water purchasedOther current violation flag
Indiana American Water - NewburghIN528700422,215Ground waterNo current violation flagged
Laporte Water WorksIN524601722,197Ground waterNo current violation flagged
Indiana American Water - SeymourIN523600520,725Ground waterNo current violation flagged
Chandler Water Works DepartmentIN528700220,120Ground waterNo current violation flagged
New Castle UtilitiesIN523301119,880Ground waterNo current violation flagged
Indiana American Water - ShelbyvilleIN527300219,093Ground waterNo current violation flagged
Eastern Heights UtilitiesIN522800319,028Ground waterNo current violation flagged
Vincennes Water DepartmentIN524201418,701Ground waterNo current violation flagged
Logansport Municipal Utility-Well FieldIN520901218,369Ground waterNo current violation flagged
Stucker Fork Water UtilityIN527200217,718Surface waterOther current violation flag
Jasper Municipal Water UtilityIN521900917,440Surface waterNo current violation flagged
Huntington Water DepartmentIN523500517,300Ground waterNo current violation flagged
Griffith Water DepartmentIN524501916,893Surface water purchasedNo current violation flagged
Lebanon UtilitiesIN520600316,840Ground waterNo current violation flagged
Dyer Water DepartmentIN524501116,800Surface water purchasedNo current violation flagged
Ramsey Water Company, Inc.IN523100516,475Ground waterCurrent serious-violator flag
Frankfort Water WorksIN521200316,422Ground waterNo current violation flagged
Indiana American Water - CrawfordsvilleIN525400515,930Ground waterNo current violation flagged
Watson Rural Water CompanyIN521001615,750Ground waterNo current violation flagged
New Haven Water DepartmentIN520200915,700Surface water purchasedNo current violation flagged
Sellersburg Water DepartmentIN521001015,655Ground waterNo current violation flagged
Brown County Water UtilityIN520700115,368Ground waterNo current violation flagged
Madison Water DepartmentIN523900615,323Ground waterNo current violation flagged
Martinsville Water UtilityIN525500915,000Ground waterNo current violation flagged
Ellettsville Water WorksIN525300414,500Surface water purchasedNo current violation flagged
Huntertown Water WorksIN520200714,058Ground waterNo current violation flagged
Bedford City UtilitiesIN524700114,000Surface waterNo current violation flagged
Indiana American Water - WarsawIN524303013,835Ground waterNo current violation flagged
Washington Water WorksIN521400713,690Ground waterNo current violation flagged
Jackson County Water UtilityIN523600313,667Ground waterNo current violation flagged
Eastern Bartholomew WaterIN520300413,547Ground waterNo current violation flagged
Patoka Lake Regional WaterIN521901213,503Surface waterNo current violation flagged
Connersville UtilitiesIN522100113,282Ground waterNo current violation flagged
German Township Water District Inc.IN528200312,890Surface water purchasedNo current violation flagged
Auburn Water DepartmentIN521700112,800Ground waterNo current violation flagged
Greencastle Department Of WaterIN526700412,699Groundwater under influence of surface waterNo current violation flagged
Greensburg Municipal Water WorksIN521600212,650Surface waterNo current violation flagged
Indiana American Water - WabashIN528500312,140Ground waterNo current violation flagged
Brazil City Water WorksIN521100112,000Ground waterNo current violation flagged
Patriot Water DepartmentIN527800111,937Ground waterNo current violation flagged
Indiana American Water - LowellIN524502911,908Groundwater under influence of surface waterNo current violation flagged
North Lawrence Water AuthorityIN524700411,625Surface water purchasedNo current violation flagged
Peru Water DepartmentIN525201611,417Ground waterCurrent monitoring/reporting flag
Borden Tri-County RegionIN521000211,000Surface waterNo current violation flagged
Princeton Water DepartmentIN522600810,875Ground waterCurrent monitoring/reporting flag
Speedway Water WorksIN524900810,578Surface waterNo current violation flagged
Danville Water WorksIN523200410,500Surface water purchasedNo current violation flagged
Edwardsville Water CorporationIN522200110,442Ground waterNo current violation flagged
Tri-Township Water CorporationIN521500910,435Ground waterNo current violation flagged
Kendallville Water DepartmentIN525700810,300Ground waterNo current violation flagged
Bluffton Utilities Water DeptIN529000110,298Ground waterNo current violation flagged
City Of BoonvilleIN528700110,260Ground waterNo current violation flagged
Plymouth Water DepartmentIN525001010,241Ground waterNo current violation flagged
Indiana American Water - MooresvilleIN525500610,083Ground waterNo current violation flagged
Pike-Gibson Water, Inc.IN526300310,000Surface water purchasedNo current violation flagged
Bbp Water CompanyIN52600019,903Ground waterNo current violation flagged
Decatur Water DepartmentIN52010029,900Ground waterNo current violation flagged
Columbia City Water DepartmentIN52920049,892Ground waterNo current violation flagged
Angola Water DepartmentIN52760019,340Ground waterNo current violation flagged
Tell City Water DepartmentIN52620049,315Ground waterNo current violation flagged
Dubois Water UtilitiesIN52190029,078Surface water purchasedNo current violation flagged
South Harrison Water CorporationIN52310069,057Ground waterNo current violation flagged

Showing the 100 largest systems by reported population served.

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