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Community Water System · PWS IL0910070

Windmill Estates

Momence, Illinois 60954 - drinking water served from groundwater sources to 65 people, tracked in EPA SDWIS and UCMR5.

65
People served
5,042
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 5,042 drinking-water violations at Windmill Estates - above the Illinois per-system average.

5,042
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
65
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Windmill Estates

Windmill Estates is a private-owned community water system that delivers drinking water to 65 residents in Momence, Illinois (Kankakee County) through 33 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 5,042 total violations for this system , of which 4 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4,663 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 405 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Illinois, EPA tracks 5,117 public water systems serving 12,576,876 people, with 355,322 cumulative violations and 52,932 health-based violations on record. About 81% of systems in the state carry at least one violation, and state-wide the average per system is 69.4 violations. Statewide, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Windmill Estates's 5,042 violations sit above the Illinois average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
65
Total Violations
5,042
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
33
County
Kankakee
School/Daycare
No
MCL Violations
4
Monitoring Violations
4,663
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 405 2010
Public Notice Other 311 2009
Chlorine MR 148 2010
1,2,4-Trichlorobenzene MR 124 2009
cis-1,2-Dichloroethylene MR 124 2009
Xylenes, Total MR 124 2009
DICHLOROMETHANE MR 124 2009
1,1-Dichloroethylene MR 124 2009
trans-1,2-Dichloroethylene MR 124 2009
1,1,1-Trichloroethane MR 124 2009
Carbon tetrachloride MR 124 2009
1,2-Dichloropropane MR 124 2009
1,1,2-Trichloroethane MR 124 2009
Benzene MR 124 2009
Ethylbenzene MR 124 2009
o-Dichlorobenzene MR 124 2009
1,2-Dichloroethane MR 124 2009
Trichloroethylene MR 124 2009
Toluene MR 124 2009
p-Dichlorobenzene MR 124 2009
CHLOROBENZENE MR 124 2009
Styrene MR 124 2009
Tetrachloroethylene MR 124 2009
Nitrate MR 57 2009
1,2-DIBROMO-3-CHLOROPROPANE MR 41 2009
Arsenic MR 36 2009
CYANIDE MR 36 2009
Mercury MR 36 2009
Nickel MR 36 2009
Thallium, Total MR 36 2009

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Windmill Estates.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID IL0910070 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Illinois Drinking Water Authority

Illinois EPA, Bureau of Water is the primacy agency that licenses and inspects Windmill Estates under EPA-delegated authority.

Open IL regulator portal

Source: Illinois EPA, Bureau of Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Lead and Copper Rule MR 8 SDWIS / IL0910070 / 5000
2010 Coliform (TCR) MR 405 SDWIS / IL0910070 / 3100
2010 Chlorine MR 148 SDWIS / IL0910070 / 0999
2010 Coliform (TCR) MCL 4 SDWIS / IL0910070 / 3100
2009 Public Notice Other 311 SDWIS / IL0910070 / 7500
2009 1,2,4-Trichlorobenzene MR 124 SDWIS / IL0910070 / 2378
2009 cis-1,2-Dichloroethylene MR 124 SDWIS / IL0910070 / 2380
2009 Xylenes, Total MR 124 SDWIS / IL0910070 / 2955
2009 DICHLOROMETHANE MR 124 SDWIS / IL0910070 / 2964
2009 1,1-Dichloroethylene MR 124 SDWIS / IL0910070 / 2977
2009 trans-1,2-Dichloroethylene MR 124 SDWIS / IL0910070 / 2979
2009 1,1,1-Trichloroethane MR 124 SDWIS / IL0910070 / 2981
2009 Carbon tetrachloride MR 124 SDWIS / IL0910070 / 2982
2009 1,2-Dichloropropane MR 124 SDWIS / IL0910070 / 2983
2009 1,1,2-Trichloroethane MR 124 SDWIS / IL0910070 / 2985

How Windmill Estates Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Windmill Estates Illinois avg Federal benchmark
Total violations 5,042 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 10.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 65 2,458 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,117 regulated public water systems in Illinois.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Windmill Estates water safe to drink? ▼
Windmill Estates (PWS ID: IL0910070) has 5042 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Groundwater sources.
How many people does Windmill Estates serve? ▼
Windmill Estates serves 65 people in Momence, Illinois. It is a Private-owned system using Groundwater water sources with 33 service connections.
What type of violations does Windmill Estates have? ▼
Windmill Estates has 5,042 total violations: 4 health-based violations (MCL exceedances or treatment failures), 4,663 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Windmill Estates water? ▼
No PFAS testing data is available for Windmill Estates under the EPA's UCMR5 monitoring program.
What water source does Windmill Estates use? ▼
Windmill Estates uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.