Public water system · IN5229027
ActiveHamilton County Regional Utility
At a glance
Hamilton County Regional Utility (PWSID IN5229027) is an active community water system in Hamilton County, Indiana. It reports serving 125 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
125
Service connections
1
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Hamilton County Regional Utility compare with other water systems in Hamilton County?
By EPA's size categories, Hamilton County Regional Utility is a very small system (500 people or fewer). Hamilton County has 66 active public water systems. Its population served is well below the county average of 3,475 people per system, and accounts for less than 0.1% of the 229,348 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active community water system reports serving 6,703 people, so Hamilton County Regional Utility is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Indiana has 770 active community water systems, 19% of the state's 3,969 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 83 Indiana systems (2.1%) list purchased groundwater as their primary source.
Who owns and regulates Hamilton County Regional Utility?
EPA lists Hamilton County Regional Utility as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 56 of the 66 active systems in Hamilton County (85%) are also privately owned.
Does Hamilton County Regional Utility have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Hamilton County Regional Utility. For the latest compliance status, check EPA ECHO for current compliance history.
Hamilton County Regional Utility: frequently asked questions
Who runs Hamilton County Regional Utility?
Hamilton County Regional Utility (PWSID IN5229027) is a community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Hamilton County Regional Utility serve?
Hamilton County Regional Utility reports serving 125 people through 1 service connection in Hamilton County, Indiana.
Where does Hamilton County Regional Utility get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Hamilton County Regional Utility have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Hamilton County Regional Utility's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Hamilton County Regional Utility's water quality report?
As a community water system, Hamilton County Regional Utility must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Hamilton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carmel Water Department | Hamilton | 99,927 | Community | Groundwater under influence of surface water |
| Citizens Water of Westfield, LLC | Hamilton | 61,493 | Community | Groundwater |
| Indiana American Water - Noblesville | Hamilton | 45,575 | Community | Groundwater |
| Cicero Water Department | Hamilton | 5,607 | Community | Groundwater |
| Indiana American Water - Sheridan | Hamilton | 4,435 | Community | Groundwater |
| Ruoff Music Center | Hamilton | 2,000 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hamilton County Regional Utility, PWSID IN5229027, Indiana”, https://aquacensus.com/water-systems/indiana/hamilton-county-regional-utility-in5229027 (data as of October 1, 2026).