Public water system · IN5268003
ActiveIndiana American Water - Winchester
At a glance
Indiana American Water - Winchester (PWSID IN5268003) is an active community water system in Randolph County, Indiana. It reports serving 5,405 people through 2,162 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,405
Service connections
2,162
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Indiana American Water - Winchester compare with other water systems in Randolph County?
By EPA's size categories, Indiana American Water - Winchester is a medium system (3,301 to 10,000 people). Randolph County has 40 active public water systems, and Indiana American Water - Winchester is the largest of them by population served. Its population served is about 12 times the county average of 435 people per system, and accounts for 31% 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 Indiana American Water - Winchester is about 19% 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 Indiana American Water - Winchester?
EPA lists Indiana American Water - Winchester 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. 30 of the 40 active systems in Randolph County (75%) are also privately owned.
Does Indiana American Water - Winchester have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1995. The violations listed here began between June 1980 and October 1995. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Gross alpha (excluding radon and uranium). EPA lists 1 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 |
|---|---|---|---|---|
| 1995-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
Indiana American Water - Winchester: frequently asked questions
Who runs Indiana American Water - Winchester?
Indiana American Water - Winchester (PWSID IN5268003) is a community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Indiana American Water - Winchester serve?
Indiana American Water - Winchester reports serving 5,405 people through 2,162 service connections in Randolph County, Indiana.
Where does Indiana American Water - Winchester 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 Indiana American Water - Winchester have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1995. 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 Indiana American Water - Winchester'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; 1 is health-based, and the most recent began in October 1995. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Indiana American Water - Winchester's water quality report?
As a community water system, Indiana American Water - Winchester 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 |
|---|---|---|---|---|
| Union City Water Works | Randolph | 3,513 | 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, “Indiana American Water - Winchester, PWSID IN5268003, Indiana”, https://aquacensus.com/water-systems/indiana/indiana-american-water-winchester-in5268003 (data as of October 1, 2026).