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Public water system · IA2952075

Active

Middletown Water Supply

At a glance

Middletown Water Supply (PWSID IA2952075) is an active community water system in Des Moines County, Iowa. It reports serving 336 people through 189 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in February 2021.

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

Population served

336

Service connections

189

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIA2952075
System typeCommunity water system
Activity statusActive
Population served336
Service connections189
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedMiddletown
StateIowa
ZIP—
CountyDes Moines County

How does Middletown Water Supply compare with other water systems in Des Moines County?

By EPA's size categories, Middletown Water Supply is a very small system (500 people or fewer). Des Moines County has 11 active public water systems. Its population served is well below the county average of 3,927 people per system, and accounts for 0.8% of the 43,192 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 Middletown 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 surface water means the system buys surface water from another public water system rather than drawing its own. 119 Iowa systems (6.5%) list purchased surface water as their primary source.

Who owns and regulates Middletown Water Supply?

EPA lists Middletown 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. 5 of the 11 active systems in Des Moines County (45%) are also owned by a local government.

Does Middletown Water Supply have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in February 2021. The violations listed here began between October 2005 and February 2021. By type: 7 contaminant level above the legal limit, 3 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (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.

BeganViolationContaminant or ruleHealth-basedStatus
2021-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2018-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2011-10-01Public notice, recordkeeping or otherVariance/Exemption/Other Compliance · code 08Not reportedNoResolved
2011-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2011-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2010-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2009-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2006-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2005-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved

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.

Middletown Water Supply: frequently asked questions

Who runs Middletown Water Supply?

Middletown Water Supply (PWSID IA2952075) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Middletown Water Supply serve?

Middletown Water Supply reports serving 336 people through 189 service connections in Des Moines County, Iowa.

Where does Middletown Water Supply get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Middletown Water Supply have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in February 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 Middletown 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, 7 are health-based, and the most recent began in February 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 Middletown Water Supply's water quality report?

As a community water system, Middletown 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 Des Moines County

Water systemCountyPopulation servedTypeSource
Burlington Municipal WaterworksDes Moines26,015CommunitySurface water
Rathbun Reg Wtr Assn (Burlington)Des Moines + 1 more8,375CommunityPurchased surface water
West Burlington Muni. Water SupplyDes Moines3,728CommunityPurchased surface water
Mediapolis Water SupplyDes Moines1,688CommunityPurchased surface water
Iowa Army Ammunition PlantDes Moines1,100Non-transient non-communityPurchased surface water
Danville Water SupplyDes Moines923CommunityPurchased surface water

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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, “Middletown Water Supply, PWSID IA2952075, Iowa”, https://aquacensus.com/water-systems/iowa/middletown-water-supply-ia2952075 (data as of October 1, 2026).