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Community Water System · PWS IA9281006

West Chester Muni Wtr Supply

West Chester, Iowa 52359 - drinking water served from groundwater sources to 144 people, tracked in EPA SDWIS and UCMR5.

144
People served
68
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 68 drinking-water violations at West Chester Muni Wtr Supply - below the Iowa per-system average.

68
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
144
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: West Chester Muni Wtr Supply

West Chester Muni Wtr Supply is a local-owned community water system that delivers drinking water to 144 residents in West Chester, Iowa (Washington County) through 79 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 63 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Benzo(a)pyrene, recorded in 4 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 77 violations. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%).

West Chester Muni Wtr Supply's 68 violations sit below the Iowa average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
144
Total Violations
68
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
79
County
Washington
School/Daycare
No
MCL Violations
0
Monitoring Violations
63
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Benzo(a)pyrene MR 4 2006
2,4-D MR 4 2006
Dalapon MR 4 2006
Di(2-ethylhexyl) phthalate MR 4 2006
Pentachlorophenol MR 4 2006
Picloram MR 4 2006
Simazine MR 4 2006
Di(2-ethylhexyl) adipate MR 4 2006
LASSO MR 4 2006
Dinoseb MR 4 2006
2,4,5-TP MR 4 2006
Atrazine MR 4 2006
Barium MR 2 1988
Cadmium MR 2 1988
Fluoride MR 2 1988
Mercury MR 2 1988
Selenium MR 2 1988
Lead and Copper Rule MR 2 1990
Arsenic MR 2 1988
Revised Total Coliform Rule Other 1 2025
Chromium MR 1 1988

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for West Chester Muni Wtr Supply.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IA9281006 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find IA regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Revised Total Coliform Rule Other 1 SDWIS / IA9281006 / 8000
2006 Benzo(a)pyrene MR 4 SDWIS / IA9281006 / 2306
2006 2,4-D MR 4 SDWIS / IA9281006 / 2105
2006 Dalapon MR 4 SDWIS / IA9281006 / 2031
2006 Di(2-ethylhexyl) phthalate MR 4 SDWIS / IA9281006 / 2039
2006 Pentachlorophenol MR 4 SDWIS / IA9281006 / 2326
2006 Picloram MR 4 SDWIS / IA9281006 / 2040
2006 Simazine MR 4 SDWIS / IA9281006 / 2037
2006 Di(2-ethylhexyl) adipate MR 4 SDWIS / IA9281006 / 2035
2006 LASSO MR 4 SDWIS / IA9281006 / 2051
2006 Dinoseb MR 4 SDWIS / IA9281006 / 2041
2006 2,4,5-TP MR 4 SDWIS / IA9281006 / 2110
2006 Atrazine MR 4 SDWIS / IA9281006 / 2050
1990 Lead and Copper Rule MR 2 SDWIS / IA9281006 / 5000
1988 Barium MR 2 SDWIS / IA9281006 / 1010

How West Chester Muni Wtr Supply Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric West Chester Muni Wtr Supply Iowa avg Federal benchmark
Total violations 68 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 144 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is West Chester Muni Wtr Supply water safe to drink? ▼
West Chester Muni Wtr Supply (PWS ID: IA9281006) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 144 people using Groundwater sources.
How many people does West Chester Muni Wtr Supply serve? ▼
West Chester Muni Wtr Supply serves 144 people in West Chester, Iowa. It is a Local-owned system using Groundwater water sources with 79 service connections.
What type of violations does West Chester Muni Wtr Supply have? ▼
West Chester Muni Wtr Supply has 68 total violations: 0 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in West Chester Muni Wtr Supply water? ▼
No PFAS testing data is available for West Chester Muni Wtr Supply under the EPA's UCMR5 monitoring program.
What water source does West Chester Muni Wtr Supply use? ▼
West Chester Muni Wtr Supply uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.