Public water system · IA4493028
ActiveWinfield Muni Water Dept
At a glance
Winfield Muni Water Dept (PWSID IA4493028) is an active community water system in Henry County, Iowa. It reports serving 1,035 people through 455 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,035
Service connections
455
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Winfield Muni Water Dept compare with other water systems in Henry County?
By EPA's size categories, Winfield Muni Water Dept is a small system (501 to 3,300 people). Henry County has 11 active public water systems, and Winfield Muni Water Dept is the 4th-largest of them by population served. Its population served is about 27% below the county average of 1,425 people per system, and accounts for 6.6% of the 15,676 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 Winfield Muni Water Dept 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Winfield Muni Water Dept?
EPA lists Winfield Muni Water Dept 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. 10 of the 11 active systems in Henry County (91%) are also owned by a local government.
Does Winfield Muni Water Dept have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2013. The violations listed here began between January 1988 and July 2013. By type: 4 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Total trihalomethanes (TTHM), Haloacetic acids (HAA5), Total coliform bacteria (TCR) and Consumer Confidence Rule. 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 |
|---|---|---|---|---|
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1988-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | 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.
Winfield Muni Water Dept: frequently asked questions
Who runs Winfield Muni Water Dept?
Winfield Muni Water Dept (PWSID IA4493028) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Winfield Muni Water Dept serve?
Winfield Muni Water Dept reports serving 1,035 people through 455 service connections in Henry County, Iowa.
Where does Winfield Muni Water Dept 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 Winfield Muni Water Dept have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2013. 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 Winfield Muni Water Dept'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; none is health-based, and the most recent began in July 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Winfield Muni Water Dept's water quality report?
As a community water system, Winfield Muni Water Dept 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 Henry County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mount Pleasant Municipal Utilities | Henry | 9,274 | Community | Groundwater |
| New London Munic Water Dept | Henry | 1,910 | Community | Groundwater |
| Rathbun Regional Water (Mount Pleasant) | Henry | 1,465 | Community | Purchased surface water |
| Wayland Water Supply | Henry | 966 | Community | Groundwater |
| Salem Water Supply | Henry | 396 | Community | Purchased groundwater |
| Olds Municipal Water Dept | Henry | 192 | Community | Purchased surface water |
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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, “Winfield Muni Water Dept, PWSID IA4493028, Iowa”, https://aquacensus.com/water-systems/iowa/winfield-muni-water-dept-ia4493028 (data as of October 1, 2026).