Skip to content
AquaCensus

Public water system · IA5148079

Active

Libertyville Water Works

At a glance

Libertyville Water Works (PWSID IA5148079) is an active community water system in Jefferson County, Iowa. It reports serving 304 people through 183 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2025.

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

Population served

304

Service connections

183

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDIA5148079
System typeCommunity water system
Activity statusActive
Population served304
Service connections183
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyIA state drinking water program
City servedLibertyville
StateIowa
ZIP—
CountyJefferson County

How does Libertyville Water Works compare with other water systems in Jefferson County?

By EPA's size categories, Libertyville Water Works is a very small system (500 people or fewer). Jefferson County has 8 active public water systems, and Libertyville Water Works is the 4th-largest of them by population served. Its population served is well below the county average of 1,442 people per system, and accounts for 2.6% of the 11,535 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 Libertyville 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.

Who owns and regulates Libertyville Water Works?

EPA lists Libertyville 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. 5 of the 8 active systems in Jefferson County (63%) are also owned by a local government.

Does Libertyville Water Works have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2025. The violations listed here began between December 1995 and August 2025. By type: 4 monitoring and reporting, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 5 as resolved and 2 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
2025-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoArchived
2025-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoArchived
2025-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2006-06-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1995-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Libertyville Water Works: frequently asked questions

Who runs Libertyville Water Works?

Libertyville Water Works (PWSID IA5148079) is a community water system owned by a local government. It is regulated by the IA state drinking water program.

How many people does Libertyville Water Works serve?

Libertyville Water Works reports serving 304 people through 183 service connections in Jefferson County, Iowa.

Where does Libertyville Water Works get its water?

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

Does Libertyville Water Works have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in August 2025. 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 Libertyville 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 7 violations for this system; none is health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.

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

As a community water system, Libertyville 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 Jefferson County

Water systemCountyPopulation servedTypeSource
Fairfield Water SupplyJefferson9,821CommunityGroundwater
Jefferson County Rural Water DistrictJefferson468CommunityPurchased surface water
Batavia Water WorksJefferson430CommunityPurchased surface water
Lockridge Muni Water SupplyJefferson244CommunityPurchased groundwater
Fairfield Estates Mobile Home ParkJefferson140CommunityPurchased groundwater
Ila Campus LLCJefferson68CommunityPurchased groundwater

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, “Libertyville Water Works, PWSID IA5148079, Iowa”, https://aquacensus.com/water-systems/iowa/libertyville-water-works-ia5148079 (data as of October 1, 2026).