Public water system · IA5054096
ActiveMonroe Water Supply
At a glance
Monroe Water Supply (PWSID IA5054096) is an active community water system in Jasper County, Iowa. It reports serving 2,007 people through 898 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,007
Service connections
898
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Monroe Water Supply compare with other water systems in Jasper County?
By EPA's size categories, Monroe Water Supply is a small system (501 to 3,300 people). Jasper County has 11 active public water systems, and Monroe Water Supply is the 3rd-largest of them by population served. Its population served is about 16% below the county average of 2,384 people per system, and accounts for 7.7% of the 26,224 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Monroe Water Supply 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.
Who owns and regulates Monroe Water Supply?
EPA lists Monroe Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 11 active systems in Jasper County (82%) are also owned by a local government.
Does Monroe Water Supply have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004. The violations listed here began between April 1991 and October 2004. By type: 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 1994-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1991-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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 Supply: frequently asked questions
Who runs Monroe Water Supply?
Monroe Water Supply (PWSID IA5054096) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Monroe Water Supply serve?
Monroe Water Supply reports serving 2,007 people through 898 service connections in Jasper County, Iowa.
Where does Monroe Water Supply get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Monroe Water Supply have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in October 2004. 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 Supply'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 5 violations for this system; 2 are health-based, and the most recent began in October 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Monroe Water Supply's water quality report?
As a community water system, Monroe Water Supply 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 Jasper County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newton Water Supply | Jasper | 16,518 | Community | Groundwater |
| Colfax Water Supply | Jasper | 2,305 | Community | Groundwater |
| Prairie City Water Works | Jasper | 1,703 | Community | Groundwater |
| Baxter Water Supply | Jasper | 1,002 | Community | Purchased groundwater |
| Sully Muni Water Works | Jasper | 900 | Community | Purchased groundwater |
| Kellogg Water Supply | Jasper | 617 | 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 Supply, PWSID IA5054096, Iowa”, https://aquacensus.com/water-systems/iowa/monroe-water-supply-ia5054096 (data as of October 1, 2026).