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Mount Carmel, IL Tap Water Quality 2026

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

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

Main Utility: Mount Carmel PWSID: IL1850200 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS was detected below the federal limit.

C

Mount Carmel earns a C for water quality

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

Lead: not detected
PFAS detected below the federal limit
12 violations since 2015, 1 health-based
No violations currently open
Mount Carmel's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Illinois utilities
Population Served
6940
~3500 connections
Water Source
Surface water
Groundwater under the direct influence of surface water — SDWIS source code GU
Active Violations
0
12 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2026 Resolved
Public Notice OTHER — — 2025 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2025 Archived
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2025 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2025 Resolved
CARBON, TOTAL TREATMENT TECHNIQUE 0.72 RATIO TT 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 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

12 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mount Carmel
PWSID IL1850200
Water source Surface water — Groundwater under the direct influence of surface water — SDWIS source code GU
Population served 6,940
Service connections 3,500
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mount Carmel tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Mount Carmel water have PFAS? ▼
PFAS was detected but stayed below the federal limit.
Who supplies water to Mount Carmel? ▼
Mount Carmel (PWSID IL1850200). Surface water. Groundwater under the direct influence of surface water — SDWIS source code GU
When was this system last inspected? ▼
It was last inspected on 2025-07-03. Inspectors recorded 4 significant deficiencies.

What Should Mount Carmel Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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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