Skip to content
AquaCensus

Public water system · IA0410026

Active

Cincinnati Municipal Water Co

At a glance

Cincinnati Municipal Water Co (PWSID IA0410026) is an active community water system in Appanoose County, Iowa. It reports serving 290 people through 205 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2018.

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

Population served

290

Service connections

205

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDIA0410026
System typeCommunity water system
Activity statusActive
Population served290
Service connections205
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedCincinnati
StateIowa
ZIP—
CountyAppanoose County

How does Cincinnati Municipal Water Co compare with other water systems in Appanoose County?

By EPA's size categories, Cincinnati Municipal Water Co is a very small system (500 people or fewer). Appanoose County has 5 active public water systems, and Cincinnati Municipal Water Co is the 5th-largest of them by population served. Its population served is well below the county average of 1,440 people per system, and accounts for 4% of the 7,200 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 Cincinnati Municipal Water Co 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 Cincinnati Municipal Water Co?

EPA lists Cincinnati Municipal Water Co 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 5 active systems in Appanoose County (100%) are also owned by a local government.

Does Cincinnati Municipal Water Co have drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2018. The violations listed here began between May 1995 and November 2018. By type: 3 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule, Consumer Confidence Rule, Haloacetic acids (HAA5) and Total trihalomethanes (TTHM). EPA lists 5 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
2018-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2012-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2012-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
1995-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 5 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.

Cincinnati Municipal Water Co: frequently asked questions

Who runs Cincinnati Municipal Water Co?

Cincinnati Municipal Water Co (PWSID IA0410026) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Cincinnati Municipal Water Co serve?

Cincinnati Municipal Water Co reports serving 290 people through 205 service connections in Appanoose County, Iowa.

Where does Cincinnati Municipal Water Co 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 Cincinnati Municipal Water Co have any drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2018. 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 Cincinnati Municipal Water Co'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 5 violations for this system; none is health-based, and the most recent began in November 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Cincinnati Municipal Water Co's water quality report?

As a community water system, Cincinnati Municipal Water Co 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 Appanoose County

Water systemCountyPopulation servedTypeSource
Centerville Municipal WaterworksAppanoose5,344CommunityPurchased surface water
Moravia Public Water SupplyAppanoose637CommunityPurchased surface water
Moulton Water DepartmentAppanoose607CommunityPurchased surface water
Mystic Water SupplyAppanoose322CommunityPurchased surface water

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, “Cincinnati Municipal Water Co, PWSID IA0410026, Iowa”, https://aquacensus.com/water-systems/iowa/cincinnati-municipal-water-co-ia0410026 (data as of October 1, 2026).