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Community Water System · PWS IL1115020

Aqua Illinois-McHenry Shores

Kankakee, Illinois 60901 - drinking water served from groundwater sources to 1,862 people, tracked in EPA SDWIS and UCMR5.

1,862
People served
265
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 265 drinking-water violations at Aqua Illinois-McHenry Shores, 5% of them health-based - above the Illinois per-system average.

265
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
1,862
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aqua Illinois-McHenry Shores

Aqua Illinois-McHenry Shores is a private-owned community water system that delivers drinking water to 1,862 residents in Kankakee, Illinois (McHenry County) through 532 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 265 total violations for this system , of which 13 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 244 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 28 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%).

Aqua Illinois-McHenry Shores's 265 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
1,862
Total Violations
265
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
532
County
McHenry
School/Daycare
No
MCL Violations
13
Monitoring Violations
244
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 28 2015
CHLOROBENZENE MR 13 1993
Benzene MR 13 1993
Toluene MR 13 1993
Ethylbenzene MR 13 1993
Coliform (TCR) MCL 13 2009
cis-1,2-Dichloroethylene MR 12 1993
o-Dichlorobenzene MR 12 1993
1,1-Dichloroethylene MR 12 1993
1,1,1-Trichloroethane MR 12 1993
Carbon tetrachloride MR 12 1993
Trichloroethylene MR 12 1993
Tetrachloroethylene MR 12 1993
Xylenes, Total MR 12 1993
1,2-Dichloroethane MR 12 1993
trans-1,2-Dichloroethylene MR 12 1993
1,2-Dichloropropane MR 12 1993
Styrene MR 12 1993
p-Dichlorobenzene MR 12 1993
Chlorine MR 4 2015
Lead and Copper Rule MR 4 2004
Consumer Confidence Rule Other 2 2013

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 Aqua Illinois-McHenry Shores.

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 IL1115020 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 Aqua Illinois-McHenry Shores 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
2015 Coliform (TCR) MR 28 SDWIS / IL1115020 / 3100
2015 Chlorine MR 4 SDWIS / IL1115020 / 0999
2013 Consumer Confidence Rule Other 2 SDWIS / IL1115020 / 7000
2009 Coliform (TCR) MCL 13 SDWIS / IL1115020 / 3100
2004 Lead and Copper Rule MR 4 SDWIS / IL1115020 / 5000
1993 CHLOROBENZENE MR 13 SDWIS / IL1115020 / 2989
1993 Benzene MR 13 SDWIS / IL1115020 / 2990
1993 Toluene MR 13 SDWIS / IL1115020 / 2991
1993 Ethylbenzene MR 13 SDWIS / IL1115020 / 2992
1993 cis-1,2-Dichloroethylene MR 12 SDWIS / IL1115020 / 2380
1993 o-Dichlorobenzene MR 12 SDWIS / IL1115020 / 2968
1993 1,1-Dichloroethylene MR 12 SDWIS / IL1115020 / 2977
1993 1,1,1-Trichloroethane MR 12 SDWIS / IL1115020 / 2981
1993 Carbon tetrachloride MR 12 SDWIS / IL1115020 / 2982
1993 Trichloroethylene MR 12 SDWIS / IL1115020 / 2984

How Aqua Illinois-McHenry Shores Compares

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

Metric Aqua Illinois-McHenry Shores Illinois avg Federal benchmark
Total violations 265 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 1,862 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 Aqua Illinois-McHenry Shores water safe to drink? ▼
Aqua Illinois-McHenry Shores (PWS ID: IL1115020) has 265 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,862 people using Groundwater sources.
How many people does Aqua Illinois-McHenry Shores serve? ▼
Aqua Illinois-McHenry Shores serves 1,862 people in Kankakee, Illinois. It is a Private-owned system using Groundwater water sources with 532 service connections.
What type of violations does Aqua Illinois-McHenry Shores have? ▼
Aqua Illinois-McHenry Shores has 265 total violations: 13 health-based violations (MCL exceedances or treatment failures), 244 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aqua Illinois-McHenry Shores water? ▼
No PFAS testing data is available for Aqua Illinois-McHenry Shores under the EPA's UCMR5 monitoring program.
What water source does Aqua Illinois-McHenry Shores use? ▼
Aqua Illinois-McHenry Shores 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.