Skip to content
AquaCensus

Public water system · IA9704060

Active

Anthon Municipal Water System

At a glance

Anthon Municipal Water System (PWSID IA9704060) is an active community water system in Woodbury County, Iowa. It reports serving 545 people through 328 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2019.

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

Population served

545

Service connections

328

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA9704060
System typeCommunity water system
Activity statusActive
Population served545
Service connections328
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedAnthon
StateIowa
ZIP—
CountyWoodbury County

How does Anthon Municipal Water System compare with other water systems in Woodbury County?

By EPA's size categories, Anthon Municipal Water System is a small system (501 to 3,300 people). Woodbury County has 32 active public water systems. Its population served is well below the county average of 3,110 people per system, and accounts for 0.5% of the 99,514 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 Anthon Municipal Water System 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 Anthon Municipal Water System?

EPA lists Anthon Municipal Water System 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. 20 of the 32 active systems in Woodbury County (63%) are also owned by a local government.

Does Anthon Municipal Water System have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2019. The violations listed here began between June 1982 and October 2019. By type: 5 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2019-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1997-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1991-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1989-04-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
1982-06-24Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived

All 6 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.

Anthon Municipal Water System: frequently asked questions

Who runs Anthon Municipal Water System?

Anthon Municipal Water System (PWSID IA9704060) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Anthon Municipal Water System serve?

Anthon Municipal Water System reports serving 545 people through 328 service connections in Woodbury County, Iowa.

Where does Anthon Municipal Water System 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 Anthon Municipal Water System have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2019. 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 Anthon Municipal Water System'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 6 violations for this system; none is health-based, and the most recent began in October 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Anthon Municipal Water System's water quality report?

As a community water system, Anthon Municipal Water System 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 Woodbury County

Water systemCountyPopulation servedTypeSource
Sioux City Water SupplyWoodbury85,791CommunityGroundwater under influence of surface water
Sergeant Bluff Water SupplyWoodbury5,015CommunityGroundwater
Moville Water SupplyWoodbury1,687CommunityGroundwater
Sloan Water SupplyWoodbury1,042CommunityGroundwater
Lawton Water SupplyWoodbury988CommunityGroundwater
Correctionville Water SupplyWoodbury766CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Anthon Municipal Water System, PWSID IA9704060, Iowa”, https://aquacensus.com/water-systems/iowa/anthon-municipal-water-system-ia9704060 (data as of October 1, 2026).