Public water system · IN5216002
ActiveGreensburg Municipal Water Works
At a glance
Greensburg Municipal Water Works (PWSID IN5216002) is an active community water system in Decatur County, Indiana. It reports serving 12,650 people through 5,060 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,650
Service connections
5,060
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Greensburg Municipal Water Works compare with other water systems in Decatur County?
By EPA's size categories, Greensburg Municipal Water Works is a large system (10,001 to 100,000 people). Decatur County has 17 active public water systems, and Greensburg Municipal Water Works is the largest of them by population served. Its population served is about 9.4 times the county average of 1,341 people per system, and accounts for 55% of the 22,794 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 Greensburg Municipal Water Works is about 89% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 30 Indiana systems (0.8%) list surface water as their primary source.
Who owns and regulates Greensburg Municipal Water Works?
EPA lists Greensburg Municipal 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. 6 of the 17 active systems in Decatur County (35%) are also owned by a local government.
Does Greensburg Municipal Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. The violations listed here began between January 2020 and January 2026. By type: 7 monitoring and reporting, 3 contaminant level above the legal limit and 2 reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2026-01-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2021-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
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.
Greensburg Municipal Water Works: frequently asked questions
Who runs Greensburg Municipal Water Works?
Greensburg Municipal Water Works (PWSID IN5216002) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Greensburg Municipal Water Works serve?
Greensburg Municipal Water Works reports serving 12,650 people through 5,060 service connections in Decatur County, Indiana.
Where does Greensburg Municipal Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Greensburg Municipal Water Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. 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 Greensburg Municipal 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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the IN state drinking water program.
Where can I find Greensburg Municipal Water Works' water quality report?
As a community water system, Greensburg Municipal 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 Decatur County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Decatur Co. Water Corp. | Decatur | 3,440 | Community | Purchased surface water |
| Westport Water Company | Decatur | 1,725 | Community | Surface water |
| Lake Santee Rwwd | Decatur | 1,500 | Community | Surface water |
| St. Paul Municipal Water | Decatur | 1,096 | Community | Groundwater |
| Westport Water Company - Cougar Road | Decatur | 933 | Non-transient non-community | Purchased surface water |
| Lions Camp Woodsmoke | Decatur | 500 | 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, “Greensburg Municipal Water Works, PWSID IN5216002, Indiana”, https://aquacensus.com/water-systems/indiana/greensburg-municipal-water-works-in5216002 (data as of October 1, 2026).