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Non-Transient Non-Community Water System · PWS IL3132076

Heritage Environmental

Lemont, Illinois 60439 - drinking water served from groundwater sources to 45 people, tracked in EPA SDWIS and UCMR5.

45
People served
717
EPA violations
34
Health-based
Untested
UCMR5 result

The verdict

EPA records 717 drinking-water violations at Heritage Environmental, 5% of them health-based - above the Illinois per-system average.

717
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
45
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Heritage Environmental

Heritage Environmental is a private-owned non-transient non-community water system that delivers drinking water to 45 residents in Lemont, Illinois (Cook County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 717 total violations for this system , of which 34 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 679 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Vinyl chloride, recorded in 34 violations (MCL, health-based). 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%).

Heritage Environmental's 717 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
45
Total Violations
717
Health-Based Violations
34
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Cook
School/Daycare
No
MCL Violations
34
Monitoring Violations
679
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Vinyl chloride MCL 34 2023
p-Dichlorobenzene MR 32 2023
Vinyl chloride MR 32 2023
1,1-Dichloroethylene MR 32 2023
1,1,1-Trichloroethane MR 32 2023
Trichloroethylene MR 32 2023
1,1,2-Trichloroethane MR 32 2023
Tetrachloroethylene MR 32 2023
CHLOROBENZENE MR 32 2023
Benzene MR 32 2023
Toluene MR 32 2023
Ethylbenzene MR 32 2023
Styrene MR 32 2023
cis-1,2-Dichloroethylene MR 32 2023
1,2,4-Trichlorobenzene MR 32 2023
Xylenes, Total MR 32 2023
DICHLOROMETHANE MR 32 2023
o-Dichlorobenzene MR 32 2023
trans-1,2-Dichloroethylene MR 32 2023
1,2-Dichloroethane MR 32 2023
1,2-Dichloropropane MR 32 2023
Carbon tetrachloride MR 32 2023
Public Notice Other 4 2023
Revised Total Coliform Rule MON 3 2019
Coliform (TCR) MR 2 2009
Nitrate MR 2 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 Heritage Environmental.

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 IL3132076 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 Heritage Environmental 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
2023 Vinyl chloride MCL 34 SDWIS / IL3132076 / 2976
2023 p-Dichlorobenzene MR 32 SDWIS / IL3132076 / 2969
2023 Vinyl chloride MR 32 SDWIS / IL3132076 / 2976
2023 1,1-Dichloroethylene MR 32 SDWIS / IL3132076 / 2977
2023 1,1,1-Trichloroethane MR 32 SDWIS / IL3132076 / 2981
2023 Trichloroethylene MR 32 SDWIS / IL3132076 / 2984
2023 1,1,2-Trichloroethane MR 32 SDWIS / IL3132076 / 2985
2023 Tetrachloroethylene MR 32 SDWIS / IL3132076 / 2987
2023 CHLOROBENZENE MR 32 SDWIS / IL3132076 / 2989
2023 Benzene MR 32 SDWIS / IL3132076 / 2990
2023 Toluene MR 32 SDWIS / IL3132076 / 2991
2023 Ethylbenzene MR 32 SDWIS / IL3132076 / 2992
2023 Styrene MR 32 SDWIS / IL3132076 / 2996
2023 cis-1,2-Dichloroethylene MR 32 SDWIS / IL3132076 / 2380
2023 1,2,4-Trichlorobenzene MR 32 SDWIS / IL3132076 / 2378

How Heritage Environmental Compares

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

Metric Heritage Environmental Illinois avg Federal benchmark
Total violations 717 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 34 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 45 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 Heritage Environmental water safe to drink? ▼
Heritage Environmental (PWS ID: IL3132076) has 717 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 45 people using Groundwater sources.
How many people does Heritage Environmental serve? ▼
Heritage Environmental serves 45 people in Lemont, Illinois. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Heritage Environmental have? ▼
Heritage Environmental has 717 total violations: 34 health-based violations (MCL exceedances or treatment failures), 679 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Heritage Environmental water? ▼
No PFAS testing data is available for Heritage Environmental under the EPA's UCMR5 monitoring program.
What water source does Heritage Environmental use? ▼
Heritage Environmental 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.