Public water system · IA9281006
ActiveWest Chester Muni Wtr Supply
At a glance
West Chester Muni Wtr Supply (PWSID IA9281006) is an active community water system in Washington County, Iowa. It reports serving 144 people through 79 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 January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
144
Service connections
79
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Chester Muni Wtr Supply compare with other water systems in Washington County?
By EPA's size categories, West Chester Muni Wtr Supply is a very small system (500 people or fewer). Washington County has 24 active public water systems. Its population served is well below the county average of 670 people per system, and accounts for 0.9% of the 16,082 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 West Chester Muni Wtr 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. 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 West Chester Muni Wtr Supply?
EPA lists West Chester Muni Wtr 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 24 active systems in Washington County (38%) are also owned by a local government.
Does West Chester Muni Wtr Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between April 2006 and January 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule, Simazine, Dalapon and Di(2-ethylhexyl) phthalate. 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 |
|---|---|---|---|---|
| 2025-01-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | 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.
West Chester Muni Wtr Supply: frequently asked questions
Who runs West Chester Muni Wtr Supply?
West Chester Muni Wtr Supply (PWSID IA9281006) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does West Chester Muni Wtr Supply serve?
West Chester Muni Wtr Supply reports serving 144 people through 79 service connections in Washington County, Iowa.
Where does West Chester Muni Wtr Supply 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 West Chester Muni Wtr Supply 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 January 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 West Chester Muni Wtr 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find West Chester Muni Wtr Supply's water quality report?
As a community water system, West Chester Muni Wtr 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Washington Water Department | Washington | 7,362 | Community | Groundwater |
| Kalona Water Dept | Washington | 2,630 | Community | Groundwater |
| Wellman Municipal Waterworks | Washington | 1,524 | Community | Groundwater |
| Riverside Water Supply | Washington | 1,060 | Community | Groundwater |
| Brighton Municipal Water Supply | Washington | 600 | Community | Groundwater |
| Ainsworth Water Works | Washington | 511 | 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, “West Chester Muni Wtr Supply, PWSID IA9281006, Iowa”, https://aquacensus.com/water-systems/iowa/west-chester-muni-wtr-supply-ia9281006 (data as of October 1, 2026).