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Mount Erie, IL Tap Water Quality 2026

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

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

Main Utility: Mount Erie PWSID: IL1910350 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 12.00 ppb, 80% of the action level and no violations are open. PFAS has never been sampled at this system.

C

Mount Erie earns a C for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 12.00 ppb — 80% of the federal action level
PFAS never sampled at this system
3 violations since 2015, 2 health-based
No violations currently open
Mount Erie's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 12.00 ppb — 80% of the federal action level
✓ Lower lead than 5% of Illinois utilities
Population Served
94
~76 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
80% of EPA action level
12.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 12.00 ppb, 80% 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.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE 0.97 RATIO TT 2025 Archived
TTHM MCL EXCEEDANCE 0.101 MG/L 0.080 mg/L 2024 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

3 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mount Erie
PWSID IL1910350
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 94
Service connections 76
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mount Erie tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 12.00 ppb, 80% of the action level.
Does Mount Erie water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Mount Erie? ▼
Mount Erie (PWSID IL1910350). Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-08-11. Inspectors recorded 1 significant deficiency.

What Should Mount Erie 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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