Public water system · IN5201004
ActiveMonroe Water Department
At a glance
Monroe Water Department (PWSID IN5201004) is an active community water system in Adams County, Indiana. It reports serving 872 people through 378 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
872
Service connections
378
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Monroe Water Department compare with other water systems in Adams County?
By EPA's size categories, Monroe Water Department is a small system (501 to 3,300 people). Adams County has 74 active public water systems, and Monroe Water Department is the 4th-largest of them by population served. Its population served is about 181% above the county average of 310 people per system, and accounts for 3.8% of the 22,936 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 Monroe Water Department is well 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 Monroe Water Department?
EPA lists Monroe 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. 4 of the 74 active systems in Adams County (5.4%) are also owned by a local government.
Does Monroe Water Department have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between June 1980 and January 2026. By type: 6 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 4 as archived and 3 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Archived |
| 2026-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Archived |
| 2026-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 2004-12-15 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1980-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 7 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.
Monroe Water Department: frequently asked questions
Who runs Monroe Water Department?
Monroe Water Department (PWSID IN5201004) is a community water system owned by a local government. It is regulated by the IN state drinking water program.
How many people does Monroe Water Department serve?
Monroe Water Department reports serving 872 people through 378 service connections in Adams County, Indiana.
Where does Monroe 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 Monroe Water Department have any drinking water violations?
EPA's records list 7 violations for this system; none is 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 Monroe 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 7 violations for this system; none is 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 Monroe Water Department's water quality report?
As a community water system, Monroe 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 Adams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Decatur Water Department | Adams | 9,900 | Community | Groundwater |
| Berne Water Department | Adams | 4,388 | Community | Groundwater |
| Geneva Water Department | Adams | 1,359 | Community | Groundwater |
| Amishville U.S.A. | Adams | 821 | Transient non-community | Groundwater |
| St. John Lutheran Church | Adams | 307 | Transient non-community | Groundwater |
| Zion Evangelical Luthrn Church Friedheim | Adams | 300 | 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, “Monroe Water Department, PWSID IN5201004, Indiana”, https://aquacensus.com/water-systems/indiana/monroe-water-department-in5201004 (data as of October 1, 2026).