Public water system · IN5276023
ActiveHamilton Water Department
At a glance
Hamilton Water Department (PWSID IN5276023) is an active community water system in Steuben County, Indiana. It reports serving 2,675 people through 1,070 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,675
Service connections
1,070
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hamilton Water Department compare with other water systems in Steuben County?
By EPA's size categories, Hamilton Water Department is a small system (501 to 3,300 people). Steuben County has 145 active public water systems, and Hamilton Water Department is the 2nd-largest of them by population served. Its population served is about 9.4 times the county average of 284 people per system, and accounts for 6.5% of the 41,104 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 Water Department is about 60% 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates Hamilton Water Department?
EPA lists Hamilton Water Department 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 145 active systems in Steuben County (6.9%) are also owned by a local government.
Does Hamilton Water Department have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between June 1980 and July 2025. By type: 2 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 4 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1989-06-29 | Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28 | Not reported | No | Archived |
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 6 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.
Hamilton Water Department: frequently asked questions
Who runs Hamilton Water Department?
Hamilton Water Department (PWSID IN5276023) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Hamilton Water Department serve?
Hamilton Water Department reports serving 2,675 people through 1,070 service connections in Steuben County, Indiana.
Where does Hamilton Water Department get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hamilton Water Department have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Hamilton Water Department'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 6 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Water Department's water quality report?
As a community water system, Hamilton Water Department 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 Steuben County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Angola Water Department | Steuben | 9,340 | Community | Groundwater |
| Fremont Water Department | Steuben | 2,138 | Community | Groundwater |
| Pigeon Creek Rest Area | Steuben | 1,001 | Transient non-community | Groundwater |
| Ashley Water Department | Steuben | 983 | Community | Groundwater |
| Pokagon State Park (Park Office) | Steuben | 952 | Non-transient non-community | Groundwater |
| Tewell Corp./Angola 76 Travelers Mall | Steuben | 850 | Non-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 Water Department, PWSID IN5276023, Indiana”, https://aquacensus.com/water-systems/indiana/hamilton-water-department-in5276023 (data as of October 1, 2026).