Search by provider name, city, service area, or state.
State utility hub
Browse the indexed community water systems in this state. Each profile brings the provider’s payment routes and household protection policies into a single, practical guide.
Public Water Authority
Service area: Indianapolis and the Marion County service territory, with related Citizens water and wastewater systems in nearby Central Indiana communities
Population: Approximately 900,000 people in the Indianapolis area across Citizens’ water, wastewater, and other utility operations
Public Water Authority
Service area: Indianapolis and Marion County, with related Citizens water and wastewater service across the Central Indiana service territory
Population: Citizens Energy Group states that its water, wastewater, gas, and related utility services reach about 800,000 people in the Indianapolis area, while its drinking-water reporting describes the regional system as serving about 900,000 consumers in multiple Central Indiana counties. The Indianapolis/Marion County water and wastewater account population is a subset of that regional figure.
Private Investor-Owned Utility
Service area: Northwest Indiana American Water service area
Population: 210,510 people (EPA SDWIS PWS ID IN5245015; 2026 active CWS record).
Private Investor-Owned Utility
Service area: Indianapolis and Marion County
Population: 880,345 people (EPA SDWIS active CWS PWS IN5249004)
Municipal Department
Service area: Fort Wayne
Population: 269,994 people (EPA SDWIS active CWS PWS IN5202020)
Municipal Department
Service area: Evansville and surrounding Vanderburgh County service area
Population: 182,444 people (EPA SDWIS active CWS PWS IN5282002)
Municipal Department
Service area: South Bend
Population: 115,000
Private Investor-Owned Utility
Service area: Southern Indiana American Water service territory
Population: 104,445
Municipal Department
Service area: Carmel
Population: 99,927
Private Investor-Owned Utility
Service area: Johnson County service area
Population: 86,813
Municipal Department
Service area: Bloomington, Monroe County, Indiana
Population: 83,000 people
Municipal Department
Service area: Hammond
Population: 78,384 people (EPA CWS estimate for Hammond Water Works Department)
Private Investor-Owned Utility
Service area: Muncie and surrounding Delaware County service area
Population: 74,030 people served according to the EPA queue; Indiana American Water provides regulated water service in Muncie and surrounding Indiana communities.
Municipal Department
Service area: Lafayette municipal water service area
Population: 70,835 people (EPA SDWIS queue estimate for IN5279013)
Private Investor-Owned Utility
Service area: Terre Haute, Marion Heights, Farmersburg and Mecca in the Indiana American Water Wabash Valley system
Population: 67,765 people (EPA SDWA queue estimate for IN5284012)
Private Investor-Owned Utility
Service area: City of Westfield
Population: 61,493 people (EPA SDWA queue estimate for IN5229009)
Private Investor-Owned Utility
Service area: City of Kokomo
Population: 59,313 people (EPA SDWA queue estimate for IN5234007)
Municipal Department
Service area: City of Anderson
Population: 55,212 people (EPA SDWA queue estimate for IN5248002)
Municipal Department
Service area: City of Columbus
Population: 51,122 people (EPA SDWA queue estimate for IN5203002)
Public Water Authority
Service area: Purdue University water system
Population: 50,000 people (EPA SDWA queue estimate for IN5279015)
Municipal Department
Service area: Mishawaka
Population: 49,675 people (EPA SDWA queue estimate for IN5271009)
Private Investor-Owned Utility
Service area: West Lafayette and Indiana American Water service area
Population: 35,533 people (EPA SDWA queue estimate for IN5279020)
Municipal Department
Service area: Plainfield
Population: 34,477 people (EPA SDWA queue estimate for IN5232020)
Municipal Department
Service area: Bargersville
Population: 34,418 people (EPA SDWA queue estimate for IN5241001)
Municipal Department
Service area: Michigan City
Population: 33,996 people (EPA SDWA queue estimate for IN5246020)
Municipal Department
Service area: Goshen
Population: 32,267 people (EPA SDWA queue estimate for IN5220009)
Municipal Department
Service area: Brownsburg
Population: 31,250 people (EPA SDWA queue estimate for IN5232002)
Municipal Department
Service area: Crown Point
Population: 30,000 people (EPA SDWA queue estimate for IN5245008)
Municipal Department
Service area: Schererville
Population: 30,000 people (EPA SDWA queue estimate for IN5245041)
Municipal Department
Service area: Marion
Population: 28,363 people (EPA SDWA queue estimate for IN5227014)
Municipal Department
Service area: East Chicago
Population: 26,370 people (EPA SDWIS 2026Q2 estimate for IN5245012)
Municipal Department
Service area: St. John
Population: 25,700 people (EPA SDWIS 2026Q2 estimate for IN5245043)
Municipal Department
Service area: Highland
Population: 23,984 people (EPA SDWIS 2026Q2 estimate for IN5245021)
Municipal Department
Service area: Munster
Population: 23,914 people (EPA SDWIS 2026Q2 estimate for IN5245031)
Private Investor-Owned Utility
Service area: Newburgh
Population: 22,215 people (EPA SDWIS 2026Q2 estimate for IN5287004)
Municipal Department
Service area: LaPorte
Population: 22,197 people (EPA SDWIS 2026Q2 estimate for IN5246017)
Private Investor-Owned Utility
Service area: Seymour
Population: 20,725 people (EPA SDWIS 2026Q2 estimate for IN5236005)
Municipal Department
Service area: Chandler
Population: 20,120 people (EPA SDWIS 2026Q2 estimate for IN5287002)
Municipal Department
Service area: New Castle
Population: 19,880 people (EPA SDWIS 2026Q2 estimate for IN5233011)
Private Investor-Owned Utility
Service area: Shelbyville
Population: 19,093 people (EPA SDWIS 2026Q2 estimate for IN5273002)
Private Investor-Owned Utility
Service area: Bloomfield
Population: 19,028 people (EPA SDWIS 2026Q2 estimate for IN5228003)
Municipal Department
Service area: Vincennes
Population: 18,701 people (EPA SDWIS 2026Q2 estimate for IN5242014)
Municipal Department
Service area: Logansport
Population: 18,369 people (EPA SDWIS 2026Q2 estimate for IN5209012)
Municipal Department
Service area: SOUTH BEND
Population: 115000 people (EPA SDWIS 2026Q2 active CWS estimate for IN5271014)
Private Investor-Owned Utility
Service area: GREENWOOD
Population: 104445 people (EPA SDWIS 2026Q2 active CWS estimate for IN5210005)
Municipal Department
Service area: CARMEL
Population: 99927 people (EPA SDWIS 2026Q2 active CWS estimate for IN5229004)
Municipal Department
Service area: INDIANAPOLIS
Population: 49000 people (EPA SDWIS 2026Q2 active CWS estimate for IN5249005)
Municipal Department
Service area: ELKHART
Population: 46455 people (EPA SDWIS 2026Q2 active CWS estimate for IN5220008)
Private Investor-Owned Utility
Service area: GREENWOOD
Population: 45575 people (EPA SDWIS 2026Q2 active CWS estimate for IN5229015)
Private Investor-Owned Utility
Service area: GREENWOOD
Population: 41485 people (EPA SDWIS 2026Q2 active CWS estimate for IN5289012)
Indiana directory notes
This state hub brings together 50 indexed community water systems, from city departments and public authorities to investor-owned systems and smaller regional providers. A service area may cross municipal boundaries, so use the provider name and service address on your bill when choosing a profile.
The most important distinction is between a directory listing and an official account channel. Water Ledger provides a structured starting point; the utility’s own payment portal, published rate schedule, customer-service office, and mailed notice control your account. Compare the payment route, billing frequency, emergency number, and customer-protection notes before relying on a page for a time-sensitive decision.
If you are helping a household with a high bill, leak, or delinquency notice, open the utility profile and review the payment, shut-off, and leak-adjustment guides together. Keep the bill, account number, confirmation receipts, repair records, and notice dates available when speaking with the provider.