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Le Roy, IL Tap Water Quality 2026

Water quality report for Le Roy, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Le Roy's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Le Roy PWSID: IL1130750 Updated: 2026 Q2
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Lead above the federal action level

Lead is 49.00 ppb, 327% of the action level and no violations are open. No PFAS was detected.

D

Le Roy earns a D for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 49.00 ppb — 327% of the federal action level
PFAS tested, none detected
16 violations since 2015, 7 health-based
No violations currently open
Le Roy's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 49.00 ppb — 100% of the federal action level
✓ Lower lead than 0% of Illinois utilities
Population Served
3081
~1549 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
16 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
100% of EPA action level
49.00 ppb
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
207.7% of EPA action level
2,700 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 49.00 ppb, 327% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2023 Resolved
Public Notice OTHER — — 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2023 Resolved
Lead and Copper Rule TREATMENT TECHNIQUE — TT 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2022 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

16 violations are on record since 2015, of which 7 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Le Roy
PWSID IL1130750
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 3,081
Service connections 1,549
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Le Roy tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 49.00 ppb, 327% of the action level.
Does Le Roy water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Le Roy? ▼
Le Roy (PWSID IL1130750). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-05-22. No significant deficiencies were recorded.

What Should Le Roy Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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