Skip to content
AquaCensus

Public water system · IL0975238

Active

Heiden Gardens Condos

At a glance

Heiden Gardens Condos (PWSID IL0975238) is an active community water system in Lake County, Illinois. It reports serving 217 people through 87 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025.

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

Population served

217

Service connections

87

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0975238
System typeCommunity water system
Activity statusActive
Population served217
Service connections87
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyLake County

How does Heiden Gardens Condos compare with other water systems in Lake County?

By EPA's size categories, Heiden Gardens Condos is a very small system (500 people or fewer). Lake County has 266 active public water systems. Its population served is well below the county average of 2,442 people per system, and accounts for less than 0.1% of the 649,474 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active community water system reports serving 6,703 people, so Heiden Gardens Condos 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. Illinois has 1,773 active community water systems, 46% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.

Who owns and regulates Heiden Gardens Condos?

EPA lists Heiden Gardens Condos as privately owned. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 193 of the 266 active systems in Lake County (73%) are also privately owned.

Does Heiden Gardens Condos have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 2025. The violations listed here began between October 2004 and July 2025. By type: 5 public notice, recordkeeping or other, 4 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (4 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
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2005-04-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-04-08Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2005-01-18Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2005-01-18Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2004-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2004-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved

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.

Heiden Gardens Condos: frequently asked questions

Who runs Heiden Gardens Condos?

Heiden Gardens Condos (PWSID IL0975238) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Heiden Gardens Condos serve?

Heiden Gardens Condos reports serving 217 people through 87 service connections in Lake County, Illinois.

Where does Heiden Gardens Condos 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 Heiden Gardens Condos have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in July 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 Heiden Gardens Condos' 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, 3 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IL state drinking water program.

Where can I find Heiden Gardens Condos' water quality report?

As a community water system, Heiden Gardens Condos 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 Lake County

Water systemCountyPopulation servedTypeSource
WaukeganLake87,149CommunitySurface water
Vernon Hills - Lake Co PwLake33,207CommunityPurchased surface water
MundeleinLake31,500CommunityPurchased surface water
GurneeLake30,193CommunityPurchased surface water
Highland ParkLake30,176CommunitySurface water
Round Lake BeachLake27,200CommunityPurchased 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, “Heiden Gardens Condos, PWSID IL0975238, Illinois”, https://aquacensus.com/water-systems/illinois/heiden-gardens-condos-il0975238 (data as of October 1, 2026).