F0/100
MOUNT CARMEL — Water Quality Report 2026
Serving 7,015 people · Illinois
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
IL1850200
Violations
57
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.005 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Treatment Technique Violation
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About MOUNT CARMEL
Is MOUNT CARMEL water safe to drink?
MOUNT CARMEL water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 57 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MOUNT CARMEL detected?
34 contaminants were tested in MOUNT CARMEL's water. Notable contaminants include PFOS. 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does MOUNT CARMEL have any EPA violations?
Yes, MOUNT CARMEL has 57 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MON, MR. 11 are health-based violations.
How many people does MOUNT CARMEL serve?
MOUNT CARMEL serves approximately 7,015 people, Illinois. The system provides water to 1 community: Mount Carmel.
What type of water does MOUNT CARMEL provide?
MOUNT CARMEL sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1850200.
How does MOUNT CARMEL compare to other utilities in Illinois?
MOUNT CARMEL scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Illinois state page for a full comparison of water systems.