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Public water system · IA3218024

Active

Estherville Water Treatment Plant

At a glance

Estherville Water Treatment Plant (PWSID IA3218024) is an active community water system in Emmet County, Iowa. It reports serving 5,904 people through 3,025 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2001.

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

Population served

5,904

Service connections

3,025

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA3218024
System typeCommunity water system
Activity statusActive
Population served5,904
Service connections3,025
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedEstherville
StateIowa
ZIP—
CountyEmmet County

How does Estherville Water Treatment Plant compare with other water systems in Emmet County?

By EPA's size categories, Estherville Water Treatment Plant is a medium system (3,301 to 10,000 people). Emmet County has 12 active public water systems, and Estherville Water Treatment Plant is the largest of them by population served. Its population served is about 8.8 times the county average of 672 people per system, and accounts for 73% of the 8,060 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 Estherville Water Treatment Plant is about 12% 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 Estherville Water Treatment Plant?

EPA lists Estherville Water Treatment Plant 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. 8 of the 12 active systems in Emmet County (67%) are also owned by a local government.

Does Estherville Water Treatment Plant have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2001. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2001-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

The one violation in EPA's records.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.

Estherville Water Treatment Plant: frequently asked questions

Who runs Estherville Water Treatment Plant?

Estherville Water Treatment Plant (PWSID IA3218024) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Estherville Water Treatment Plant serve?

Estherville Water Treatment Plant reports serving 5,904 people through 3,025 service connections in Emmet County, Iowa.

Where does Estherville Water Treatment Plant 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 Estherville Water Treatment Plant have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2001. 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 Estherville Water Treatment Plant'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 one violation for this system; it is not health-based, and the most recent began in June 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Estherville Water Treatment Plant's water quality report?

As a community water system, Estherville Water Treatment Plant 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 Emmet County

Water systemCountyPopulation servedTypeSource
Armstrong Water SupplyEmmet918CommunityGroundwater
Ringsted Water SupplyEmmet365CommunityGroundwater
Wallingford Municipal WaterworksEmmet170CommunityPurchased groundwater
Droessler'S WaterEmmet158CommunityPurchased groundwater
Culvers of PetoskeyEmmet125Transient non-communityGroundwater
Ingham Lake Bible CampEmmet100Transient non-communityGroundwater

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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, “Estherville Water Treatment Plant, PWSID IA3218024, Iowa”, https://aquacensus.com/water-systems/iowa/estherville-water-treatment-plant-ia3218024 (data as of October 1, 2026).