Public water system · IN5268010
ActiveUnion City Water Works
At a glance
Union City Water Works (PWSID IN5268010) is an active community water system in Randolph County, Indiana. It reports serving 3,513 people through 1,600 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; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,513
Service connections
1,600
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Union City Water Works compare with other water systems in Randolph County?
By EPA's size categories, Union City Water Works is a medium system (3,301 to 10,000 people). Randolph County has 40 active public water systems, and Union City Water Works is the 2nd-largest of them by population served. Its population served is about 8.1 times the county average of 435 people per system, and accounts for 20% of the 17,394 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 Union City Water Works is about half of 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 Union City Water Works?
EPA lists Union City Water Works 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 40 active systems in Randolph County (25%) are also owned by a local government.
Does Union City Water Works have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between June 1980 and October 2025. By type: 4 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 5 as resolved and 1 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 |
|---|---|---|---|---|
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 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.
Union City Water Works: frequently asked questions
Who runs Union City Water Works?
Union City Water Works (PWSID IN5268010) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Union City Water Works serve?
Union City Water Works reports serving 3,513 people through 1,600 service connections in Randolph County, Indiana.
Where does Union City Water Works 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 Union City Water Works have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 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 Union City Water Works' 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; none is health-based, and the most recent began in October 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 Union City Water Works' water quality report?
As a community water system, Union City Water Works 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 Randolph County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Indiana American Water - Winchester | Randolph | 5,405 | Community | Groundwater |
| Parker City Water Department | Randolph | 1,400 | Community | Groundwater |
| Farmland Municipal Water Works | Randolph | 1,301 | Community | Groundwater |
| Lynn Water Company | Randolph | 1,097 | Community | Groundwater |
| Monroe Central School Corp. | Randolph | 993 | Non-transient non-community | Groundwater |
| Ridgeville Water Department | Randolph | 825 | 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, “Union City Water Works, PWSID IN5268010, Indiana”, https://aquacensus.com/water-systems/indiana/union-city-water-works-in5268010 (data as of October 1, 2026).