PlainWater
StatesIowa

Community Water System · PWS IA3709001

Churdan Water Supply

Churdan, Iowa 50050 - drinking water served from groundwater sources to 375 people, tracked in EPA SDWIS and UCMR5.

375
People served
875
EPA violations
746
Health-based
Untested
UCMR5 result

The verdict

EPA records 875 drinking-water violations at Churdan Water Supply, 85% of them health-based - above the Iowa per-system average.

875
Total EPA violations on record
85%
Health-based (MCL / treatment failure)
375
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Churdan Water Supply

Churdan Water Supply is a local-owned community water system that delivers drinking water to 375 residents in Churdan, Iowa (Greene County) through 197 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 875 total violations for this system , of which 746 (85%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 114 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Nitrite, recorded in 727 violations (MCL, health-based). 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%).

Churdan Water Supply's 875 violations sit above 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
375
Total Violations
875
Health-Based Violations
746
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
197
County
Greene
School/Daycare
No
MCL Violations
746
Monitoring Violations
114
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrite MCL 727 2014
Arsenic MCL 12 2006
Coliform (TCR) MCL 7 1999
Benzene MR 5 1995
Carbon tetrachloride MR 5 1995
o-Dichlorobenzene MR 5 1995
1,2-Dichloroethane MR 5 1995
cis-1,2-Dichloroethylene MR 5 1995
1,1-Dichloroethylene MR 5 1995
Ethylbenzene MR 5 1995
Styrene MR 5 1995
Tetrachloroethylene MR 5 1995
1,2,4-Trichlorobenzene MR 5 1995
1,1,1-Trichloroethane MR 5 1995
Vinyl chloride MR 5 1995
Xylenes, Total MR 5 1995
Consumer Confidence Rule Other 5 2021
Public Notice Other 5 2018
Revised Total Coliform Rule MON 5 2017
1,1,2-Trichloroethane MR 5 1995
p-Dichlorobenzene MR 5 1995
Trichloroethylene MR 5 1995
CHLOROBENZENE MR 5 1995
Toluene MR 5 1995
DICHLOROMETHANE MR 5 1995
trans-1,2-Dichloroethylene MR 5 1995
1,2-Dichloropropane MR 5 1995
Coliform (TCR) MR 4 2015

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 Churdan Water 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 IA3709001 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
2021 Consumer Confidence Rule Other 5 SDWIS / IA3709001 / 7000
2018 Public Notice Other 5 SDWIS / IA3709001 / 7500
2017 Revised Total Coliform Rule MON 5 SDWIS / IA3709001 / 8000
2015 Coliform (TCR) MR 4 SDWIS / IA3709001 / 3100
2014 Nitrite MCL 727 SDWIS / IA3709001 / 1041
2006 Arsenic MCL 12 SDWIS / IA3709001 / 1005
1999 Coliform (TCR) MCL 7 SDWIS / IA3709001 / 3100
1995 Benzene MR 5 SDWIS / IA3709001 / 2990
1995 Carbon tetrachloride MR 5 SDWIS / IA3709001 / 2982
1995 o-Dichlorobenzene MR 5 SDWIS / IA3709001 / 2968
1995 1,2-Dichloroethane MR 5 SDWIS / IA3709001 / 2980
1995 cis-1,2-Dichloroethylene MR 5 SDWIS / IA3709001 / 2380
1995 1,1-Dichloroethylene MR 5 SDWIS / IA3709001 / 2977
1995 Ethylbenzene MR 5 SDWIS / IA3709001 / 2992
1995 Styrene MR 5 SDWIS / IA3709001 / 2996

How Churdan Water Supply Compares

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

Metric Churdan Water Supply Iowa avg Federal benchmark
Total violations 875 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 746 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 375 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 Churdan Water Supply water safe to drink?
Churdan Water Supply (PWS ID: IA3709001) has 875 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 375 people using Groundwater sources.
How many people does Churdan Water Supply serve?
Churdan Water Supply serves 375 people in Churdan, Iowa. It is a Local-owned system using Groundwater water sources with 197 service connections.
What type of violations does Churdan Water Supply have?
Churdan Water Supply has 875 total violations: 746 health-based violations (MCL exceedances or treatment failures), 114 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Churdan Water Supply water?
No PFAS testing data is available for Churdan Water Supply under the EPA's UCMR5 monitoring program.
What water source does Churdan Water Supply use?
Churdan Water 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.
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.