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Public water system · IA1785032

Active

Ventura Water Works

At a glance

Ventura Water Works (PWSID IA1785032) is an active community water system in Cerro Gordo County, Iowa. It reports serving 716 people through 309 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2022.

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

Population served

716

Service connections

309

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIA1785032
System typeCommunity water system
Activity statusActive
Population served716
Service connections309
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedVentura
StateIowa
ZIP—
CountyCerro Gordo County

How does Ventura Water Works compare with other water systems in Cerro Gordo County?

By EPA's size categories, Ventura Water Works is a small system (501 to 3,300 people). Cerro Gordo County has 34 active public water systems, and Ventura Water Works is the 4th-largest of them by population served. Its population served is about 39% below the county average of 1,173 people per system, and accounts for 1.8% of the 39,879 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 Ventura Water Works 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 Ventura Water Works?

EPA lists Ventura Water Works 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. 11 of the 34 active systems in Cerro Gordo County (32%) are also owned by a local government.

Does Ventura Water Works have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2022. The violations listed here began between January 2000 and November 2022. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Total coliform bacteria (TCR). EPA lists 2 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
2022-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2000-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 2 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.

Ventura Water Works: frequently asked questions

Who runs Ventura Water Works?

Ventura Water Works (PWSID IA1785032) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Ventura Water Works serve?

Ventura Water Works reports serving 716 people through 309 service connections in Cerro Gordo County, Iowa.

Where does Ventura Water Works 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 Ventura Water Works have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2022. 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 Ventura Water Works' 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 2 violations for this system; none is health-based, and the most recent began in November 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

Where can I find Ventura Water Works' water quality report?

As a community water system, Ventura Water Works 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 Cerro Gordo County

Water systemCountyPopulation servedTypeSource
Mason City Water DepartmentCerro Gordo27,338CommunityGroundwater
Clear Lake Water DepartmentCerro Gordo7,687CommunityGroundwater
Rockwell Water SupplyCerro Gordo1,071CommunityGroundwater
Thornton Water SupplyCerro Gordo400CommunityGroundwater
Plymouth Water SupplyCerro Gordo378CommunityGroundwater
Bell HarborCerro Gordo352Transient 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, “Ventura Water Works, PWSID IA1785032, Iowa”, https://aquacensus.com/water-systems/iowa/ventura-water-works-ia1785032 (data as of October 1, 2026).