Public water system · IN5266005
ActiveWinamac Municipal Utilities
At a glance
Winamac Municipal Utilities (PWSID IN5266005) is an active community water system in Pulaski County, Indiana. It reports serving 2,400 people through 1,200 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,400
Service connections
1,200
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Winamac Municipal Utilities compare with other water systems in Pulaski County?
By EPA's size categories, Winamac Municipal Utilities is a small system (501 to 3,300 people). Pulaski County has 32 active public water systems, and Winamac Municipal Utilities is the largest of them by population served. Its population served is about 11 times the county average of 217 people per system, and accounts for 35% of the 6,950 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 Winamac Municipal Utilities is about 64% 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 Winamac Municipal Utilities?
EPA lists Winamac Municipal Utilities 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. 5 of the 32 active systems in Pulaski County (16%) are also owned by a local government.
Does Winamac Municipal Utilities have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2025. The violations listed here began between October 1979 and May 2025. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 8 as archived and 4 as resolved. 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. 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 |
|---|---|---|---|---|
| 2025-05-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2003-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1989-06-29 | Public notice, recordkeeping or otherSanitary Survey (TCR) · code 28 | Not reported | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 1979-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
The 12 most recent 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.
Winamac Municipal Utilities: frequently asked questions
Who runs Winamac Municipal Utilities?
Winamac Municipal Utilities (PWSID IN5266005) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Winamac Municipal Utilities serve?
Winamac Municipal Utilities reports serving 2,400 people through 1,200 service connections in Pulaski County, Indiana.
Where does Winamac Municipal Utilities 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 Winamac Municipal Utilities have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 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 Winamac Municipal Utilities' 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 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 Winamac Municipal Utilities' water quality report?
As a community water system, Winamac Municipal Utilities 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 Pulaski County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Francesville Water Department | Pulaski | 969 | Community | Groundwater |
| Medaryville Water Company | Pulaski | 614 | Community | Groundwater |
| Meadow Springs | Pulaski | 500 | Transient non-community | Groundwater |
| West Central Elementary | Pulaski | 400 | Non-transient non-community | Groundwater |
| West Central Middle & High School | Pulaski | 389 | Non-transient non-community | Groundwater |
| Bethel Bible Church | Pulaski | 179 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Winamac Municipal Utilities, PWSID IN5266005, Indiana”, https://aquacensus.com/water-systems/indiana/winamac-municipal-utilities-in5266005 (data as of October 1, 2026).