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Non-Transient Non-Community Water System · PWS IL3113837

Illinois Central

Park City, Illinois 60085 - drinking water served from groundwater sources to 230 people, tracked in EPA SDWIS and UCMR5.

230
People served
1,678
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,678 drinking-water violations at Illinois Central - above the Illinois per-system average.

1,678
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
230
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Illinois Central

Illinois Central is a private-owned non-transient non-community water system that delivers drinking water to 230 residents in Park City, Illinois (Lake County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,678 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 1,675 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Methoxychlor, recorded in 33 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, 123 of 487 UCMR5-tested systems have reported PFAS detections (25.3%).

Illinois Central's 1,678 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
230
Total Violations
1,678
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Lake
School/Daycare
No
MCL Violations
0
Monitoring Violations
1,675
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Methoxychlor MR 33 2017
Toxaphene MR 33 2017
Atrazine MR 33 2017
LASSO MR 33 2017
2,4-D MR 33 2017
Pentachlorophenol MR 33 2017
Total Polychlorinated Biphenyls (PCB) MR 33 2017
1,2-DIBROMO-3-CHLOROPROPANE MR 33 2017
ETHYLENE DIBROMIDE MR 33 2017
Heptachlor epoxide MR 33 2017
2,4,5-TP MR 33 2017
Chlordane MR 33 2017
BHC-GAMMA MR 33 2017
Lead and Copper Rule MR 33 2025
Carbofuran MR 33 2017
Heptachlor MR 33 2017
p-Dichlorobenzene MR 31 2017
Vinyl chloride MR 31 2017
1,1-Dichloroethylene MR 31 2017
trans-1,2-Dichloroethylene MR 31 2017
1,2-Dichloroethane MR 31 2017
1,1,1-Trichloroethane MR 31 2017
1,2-Dichloropropane MR 31 2017
CHLOROBENZENE MR 31 2017
Toluene MR 31 2017
Styrene MR 31 2017
1,2,4-Trichlorobenzene MR 31 2017
cis-1,2-Dichloroethylene MR 31 2017
o-Dichlorobenzene MR 31 2017
Carbon tetrachloride MR 31 2017

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 Illinois Central.

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 IL3113837 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 Illinois Central 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
2025 Lead and Copper Rule MR 33 SDWIS / IL3113837 / 5000
2025 Public Notice Other 1 SDWIS / IL3113837 / 7500
2018 Lead and Copper Rule TT 2 SDWIS / IL3113837 / 5000
2017 Methoxychlor MR 33 SDWIS / IL3113837 / 2015
2017 Toxaphene MR 33 SDWIS / IL3113837 / 2020
2017 Atrazine MR 33 SDWIS / IL3113837 / 2050
2017 LASSO MR 33 SDWIS / IL3113837 / 2051
2017 2,4-D MR 33 SDWIS / IL3113837 / 2105
2017 Pentachlorophenol MR 33 SDWIS / IL3113837 / 2326
2017 Total Polychlorinated Biphenyls (PCB) MR 33 SDWIS / IL3113837 / 2383
2017 1,2-DIBROMO-3-CHLOROPROPANE MR 33 SDWIS / IL3113837 / 2931
2017 ETHYLENE DIBROMIDE MR 33 SDWIS / IL3113837 / 2946
2017 Heptachlor epoxide MR 33 SDWIS / IL3113837 / 2067
2017 2,4,5-TP MR 33 SDWIS / IL3113837 / 2110
2017 Chlordane MR 33 SDWIS / IL3113837 / 2959

How Illinois Central Compares

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

Metric Illinois Central Illinois avg Federal benchmark
Total violations 1,678 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 25.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 230 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 Illinois Central water safe to drink? ▼
Illinois Central (PWS ID: IL3113837) has 1678 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 230 people using Groundwater sources.
How many people does Illinois Central serve? ▼
Illinois Central serves 230 people in Park City, Illinois. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Illinois Central have? ▼
Illinois Central has 1,678 total violations: 2 health-based violations (MCL exceedances or treatment failures), 1,675 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Illinois Central water? ▼
No PFAS testing data is available for Illinois Central under the EPA's UCMR5 monitoring program.
What water source does Illinois Central use? ▼
Illinois Central uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.