Public water system · WI2300619

Active

Twin Lakes Complex

At a glance

Twin Lakes Complex (PWSID WI2300619) is an active community water system in Kenosha County, Wisconsin. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDWI2300619

System typeCommunity water system

Activity statusActive

Population served50

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyWI state drinking water program

City servedTwin Lakes

StateWisconsin

ZIP—

CountyKenosha County

How does Twin Lakes Complex compare with other water systems in Kenosha County?

By EPA's size categories, Twin Lakes Complex is a very small system (500 people or fewer). Kenosha County has 227 active public water systems. Its population served is well below the county average of 605 people per system, and accounts for less than 0.1% of the 137,235 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Twin Lakes Complex 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. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates Twin Lakes Complex?

EPA lists Twin Lakes Complex as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 178 of the 227 active systems in Kenosha County (78%) are also privately owned.

Does Twin Lakes Complex have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2017. The violations listed here began between April 2003 and July 2017. By type: 7 monitoring and reporting, 3 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 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.

Began	Violation	Contaminant or rule	Health-based	Status
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2017-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2014-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2013-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2012-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-08-15	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2012-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2007-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2005-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2004-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2003-04-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved

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.

Twin Lakes Complex: frequently asked questions

Who runs Twin Lakes Complex?

Twin Lakes Complex (PWSID WI2300619) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Twin Lakes Complex serve?

Twin Lakes Complex reports serving 50 people through 1 service connection in Kenosha County, Wisconsin.

Where does Twin Lakes Complex 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 Twin Lakes Complex have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2017. 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 Twin Lakes Complex'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, 2 are health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Twin Lakes Complex's water quality report?

As a community water system, Twin Lakes Complex 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 Kenosha County

Water system	County	Population served	Type	Source
Kenosha Water Utility	Kenosha	99,218	Community	Surface water
Pleasant Prairie Water Utility	Kenosha	10,754	Community	Purchased surface water
Somers Water Utility	Kenosha	1,930	Community	Purchased surface water
Wilmot Union High School	Kenosha	1,200	Non-transient non-community	Groundwater
Bristol Village of East	Kenosha	1,001	Community	Purchased surface water
Paddock Lake Waterworks	Kenosha	945	Community	Groundwater

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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, “Twin Lakes Complex, PWSID WI2300619, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/twin-lakes-complex-wi2300619 (data as of October 1, 2026).