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Community Water System · PWS IL1115150

Aqua Illinois-Crystal Clear Water Co.

Kankakee, Illinois 60901 - drinking water served from groundwater sources to 855 people, tracked in EPA SDWIS and UCMR5.

855
People served
418
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 418 drinking-water violations at Aqua Illinois-Crystal Clear Water Co. - above the Illinois per-system average.

418
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
855
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aqua Illinois-Crystal Clear Water Co.

Aqua Illinois-Crystal Clear Water Co. is a private-owned community water system that delivers drinking water to 855 residents in Kankakee, Illinois (McHenry County) through 296 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 418 total violations for this system , of which 2 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 409 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 Trichloroethylene, recorded in 29 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-Crystal Clear Water Co.'s 418 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
855
Total Violations
418
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
296
County
McHenry
School/Daycare
No
MCL Violations
2
Monitoring Violations
409
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Trichloroethylene MR 29 2023
Carbon tetrachloride MR 25 1993
p-Dichlorobenzene MR 24 1993
1,1-Dichloroethylene MR 24 1993
1,1,1-Trichloroethane MR 24 1993
Benzene MR 24 1993
1,2-Dichloroethane MR 24 1993
1,2-Dichloropropane MR 21 1993
Tetrachloroethylene MR 21 1993
o-Dichlorobenzene MR 20 1993
Toluene MR 20 1993
Xylenes, Total MR 20 1993
trans-1,2-Dichloroethylene MR 20 1993
cis-1,2-Dichloroethylene MR 20 1993
Styrene MR 20 1993
CHLOROBENZENE MR 20 1993
Ethylbenzene MR 20 1993
Coliform (TCR) MR 15 2002
Fluoride MR 8 2023
Lead and Copper Rule MR 5 2004
Vinyl chloride MR 4 2023
Consumer Confidence Rule Other 2 2013
Public Notice Other 2 2024
Coliform (TCR) MCL 2 1998
Gross Alpha, Excl. Radon and U MR 1 1977

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-Crystal Clear Water Co..

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 IL1115150 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-Crystal Clear Water Co. 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 Public Notice Other 2 SDWIS / IL1115150 / 7500
2023 Trichloroethylene MR 29 SDWIS / IL1115150 / 2984
2023 Fluoride MR 8 SDWIS / IL1115150 / 1025
2023 Vinyl chloride MR 4 SDWIS / IL1115150 / 2976
2013 Consumer Confidence Rule Other 2 SDWIS / IL1115150 / 7000
2004 Lead and Copper Rule MR 5 SDWIS / IL1115150 / 5000
2002 Coliform (TCR) MR 15 SDWIS / IL1115150 / 3100
1998 Coliform (TCR) MCL 2 SDWIS / IL1115150 / 3100
1993 Carbon tetrachloride MR 25 SDWIS / IL1115150 / 2982
1993 p-Dichlorobenzene MR 24 SDWIS / IL1115150 / 2969
1993 1,1-Dichloroethylene MR 24 SDWIS / IL1115150 / 2977
1993 1,1,1-Trichloroethane MR 24 SDWIS / IL1115150 / 2981
1993 Benzene MR 24 SDWIS / IL1115150 / 2990
1993 1,2-Dichloroethane MR 24 SDWIS / IL1115150 / 2980
1993 1,2-Dichloropropane MR 21 SDWIS / IL1115150 / 2983

How Aqua Illinois-Crystal Clear Water Co. Compares

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

Metric Aqua Illinois-Crystal Clear Water Co. Illinois avg Federal benchmark
Total violations 418 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 855 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-Crystal Clear Water Co. water safe to drink? ▼
Aqua Illinois-Crystal Clear Water Co. (PWS ID: IL1115150) has 418 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 855 people using Groundwater sources.
How many people does Aqua Illinois-Crystal Clear Water Co. serve? ▼
Aqua Illinois-Crystal Clear Water Co. serves 855 people in Kankakee, Illinois. It is a Private-owned system using Groundwater water sources with 296 service connections.
What type of violations does Aqua Illinois-Crystal Clear Water Co. have? ▼
Aqua Illinois-Crystal Clear Water Co. has 418 total violations: 2 health-based violations (MCL exceedances or treatment failures), 409 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-Crystal Clear Water Co. water? ▼
No PFAS testing data is available for Aqua Illinois-Crystal Clear Water Co. under the EPA's UCMR5 monitoring program.
What water source does Aqua Illinois-Crystal Clear Water Co. use? ▼
Aqua Illinois-Crystal Clear Water Co. 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.