Public water system · IA3709001

Active

Churdan Water Supply

At a glance

Churdan Water Supply (PWSID IA3709001) is an active community water system in Greene County, Iowa. It reports serving 375 people through 164 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2021.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

375

Service connections

164

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIA3709001

System typeCommunity water system

Activity statusActive

Population served375

Service connections164

Primary water sourcePurchased groundwater

Owner typeLocal government

Primacy agencyIA state drinking water program

City servedChurdan

StateIowa

ZIP—

CountyGreene County

How does Churdan Water Supply compare with other water systems in Greene County?

By EPA's size categories, Churdan Water Supply is a very small system (500 people or fewer). Greene County has 5 active public water systems, and Churdan Water Supply is the 4th-largest of them by population served. Its population served is well below the county average of 1,175 people per system, and accounts for 6.4% of the 5,876 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 Churdan 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 Churdan Water Supply?

EPA lists Churdan 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. 4 of the 5 active systems in Greene County (80%) are also owned by a local government.

Does Churdan Water Supply have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2021. The violations listed here began between December 2013 and July 2021. By type: 8 contaminant level above the legal limit, 2 public notice, recordkeeping or other, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Nitrite (8 of them). 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
2021-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2018-01-22	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2015-05-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2014-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2014-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	Resolved
2013-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitritecode 1041	Yes	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.

Churdan Water Supply: frequently asked questions

Who runs Churdan Water Supply?

Churdan Water Supply (PWSID IA3709001) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Churdan Water Supply serve?

Churdan Water Supply reports serving 375 people through 164 service connections in Greene County, Iowa.

Where does Churdan 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 Churdan Water Supply have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2021. 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 Churdan 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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Churdan Water Supply's water quality report?

As a community water system, Churdan 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 Greene County

Water system	County	Population served	Type	Source
Jefferson Water Department	Greene	4,182	Community	Groundwater
Grand Jct Municipal Water Dept	Greene	725	Community	Groundwater
Scranton Water System	Greene	511	Community	Groundwater
Raccoon River Bible Camp	Greene	83	Transient non-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, “Churdan Water Supply, PWSID IA3709001, Iowa”, https://aquacensus.com/water-systems/iowa/churdan-water-supply-ia3709001 (data as of October 1, 2026).