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Transient Non-Community Water System · PWS IL3139394

Leroy Oaks for Pres Shelter

Geneva, Illinois 60134 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
13
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 13 drinking-water violations at Leroy Oaks for Pres Shelter, 54% of them health-based - below the Illinois per-system average.

13
Total EPA violations on record
54%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Leroy Oaks for Pres Shelter

Leroy Oaks for Pres Shelter is a local-owned transient non-community water system that delivers drinking water to 300 residents in Geneva, Illinois (Kane County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 13 total violations for this system , of which 7 (54%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 7 violations (TT, 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, 199 of 487 UCMR5-tested systems have reported PFAS detections (40.9%).

Leroy Oaks for Pres Shelter's 13 violations sit below 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
300
Total Violations
13
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
2
County
Kane
School/Daycare
No
MCL Violations
0
Monitoring Violations
5
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule TT 7 2022
Nitrate MR 5 2019
Public Notice Other 1 2022

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 Leroy Oaks for Pres Shelter.

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 IL3139394 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 Leroy Oaks for Pres Shelter 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
2022 Revised Total Coliform Rule TT 7 SDWIS / IL3139394 / 8000
2022 Public Notice Other 1 SDWIS / IL3139394 / 7500
2019 Nitrate MR 5 SDWIS / IL3139394 / 1040

How Leroy Oaks for Pres Shelter Compares

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

Metric Leroy Oaks for Pres Shelter Illinois avg Federal benchmark
Total violations 13 69.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 300 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 Leroy Oaks for Pres Shelter water safe to drink?
Leroy Oaks for Pres Shelter (PWS ID: IL3139394) has 13 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Leroy Oaks for Pres Shelter serve?
Leroy Oaks for Pres Shelter serves 300 people in Geneva, Illinois. It is a Local-owned system using Groundwater water sources with 2 service connections.
What type of violations does Leroy Oaks for Pres Shelter have?
Leroy Oaks for Pres Shelter has 13 total violations: 7 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Leroy Oaks for Pres Shelter water?
No PFAS testing data is available for Leroy Oaks for Pres Shelter under the EPA's UCMR5 monitoring program.
What water source does Leroy Oaks for Pres Shelter use?
Leroy Oaks for Pres Shelter uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.
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.