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Public water system · IL0730040

Active

Windcrest Subdivision

At a glance

Windcrest Subdivision (PWSID IL0730040) is an active community water system in Henry County, Illinois. It reports serving 49 people through 19 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025.

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

Population served

49

Service connections

19

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDIL0730040
System typeCommunity water system
Activity statusActive
Population served49
Service connections19
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIL state drinking water program
City served—
StateIllinois
ZIP—
CountyHenry County

How does Windcrest Subdivision compare with other water systems in Henry County?

By EPA's size categories, Windcrest Subdivision is a very small system (500 people or fewer). Henry County has 72 active public water systems. Its population served is well below the county average of 598 people per system, and accounts for 0.1% of the 43,076 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 Windcrest Subdivision 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 Windcrest Subdivision?

EPA lists Windcrest Subdivision 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. 46 of the 72 active systems in Henry County (64%) are also privately owned.

Does Windcrest Subdivision have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between July 1992 and July 2025. By type: 6 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrite (3 of them). EPA lists 5 as resolved, 2 as archived and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2011-04-02Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2003-04-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1999-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitritecode 1041YesResolved
1997-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1994-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1992-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 8 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.

Windcrest Subdivision: frequently asked questions

Who runs Windcrest Subdivision?

Windcrest Subdivision (PWSID IL0730040) is a community water system privately owned. It is regulated by the IL state drinking water program.

How many people does Windcrest Subdivision serve?

Windcrest Subdivision reports serving 49 people through 19 service connections in Henry County, Illinois.

Where does Windcrest Subdivision 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 Windcrest Subdivision have any drinking water violations?

EPA's records list 8 violations for this system; 1 is 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 Windcrest Subdivision'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 8 violations for this system; 1 is 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 Windcrest Subdivision's water quality report?

As a community water system, Windcrest Subdivision 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 Henry County

Water systemCountyPopulation servedTypeSource
KewaneeHenry12,509CommunityGroundwater
GeneseoHenry6,539CommunityGroundwater
Colona WestHenry2,640CommunityGroundwater
Colona EastHenry2,501CommunityGroundwater
GalvaHenry2,449CommunityGroundwater
CambridgeHenry2,086CommunityGroundwater

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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, “Windcrest Subdivision, PWSID IL0730040, Illinois”, https://aquacensus.com/water-systems/illinois/windcrest-subdivision-il0730040 (data as of October 1, 2026).