Public water system · IN5229024
ActiveCarmel Clay Water
At a glance
Carmel Clay Water (PWSID IN5229024) is an active community water system in Hamilton County, Indiana. It reports serving 393 people through 143 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
393
Service connections
143
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Carmel Clay Water compare with other water systems in Hamilton County?
By EPA's size categories, Carmel Clay Water 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 0.2% 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 Carmel Clay Water 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 surface water means the system buys surface water from another public water system rather than drawing its own. 82 Indiana systems (2.1%) list purchased surface water as their primary source.
Who owns and regulates Carmel Clay Water?
EPA lists Carmel Clay Water as owned by a local government. 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. 10 of the 66 active systems in Hamilton County (15%) are also owned by a local government.
Does Carmel Clay Water have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2022. The violations listed here began between February 2011 and July 2022. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Consumer Confidence Rule and Total coliform bacteria (TCR). EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Carmel Clay Water: frequently asked questions
Who runs Carmel Clay Water?
Carmel Clay Water (PWSID IN5229024) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Carmel Clay Water serve?
Carmel Clay Water reports serving 393 people through 143 service connections in Hamilton County, Indiana.
Where does Carmel Clay Water get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Carmel Clay Water have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Carmel Clay Water'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 records list 2 violations for this system; none is health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Carmel Clay Water's water quality report?
As a community water system, Carmel Clay Water 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, “Carmel Clay Water, PWSID IN5229024, Indiana”, https://aquacensus.com/water-systems/indiana/carmel-clay-water-in5229024 (data as of October 1, 2026).