C57/100
MILL CREEK WATER RECLAMATION DISTRICT — Water Quality Report 2026
Serving 8,000 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0890120
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – November 18, 2024Enforcement: 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 MILL CREEK WATER RECLAMATION DISTRICT
Is MILL CREEK WATER RECLAMATION DISTRICT water safe to drink?
MILL CREEK WATER RECLAMATION DISTRICT water receives a grade of C (57/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 12 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MILL CREEK WATER RECLAMATION DISTRICT detected?
31 contaminants were tested in MILL CREEK WATER RECLAMATION DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MILL CREEK WATER RECLAMATION DISTRICT have any EPA violations?
Yes, MILL CREEK WATER RECLAMATION DISTRICT has 12 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 7 are health-based violations.
How many people does MILL CREEK WATER RECLAMATION DISTRICT serve?
MILL CREEK WATER RECLAMATION DISTRICT serves approximately 8,000 people, Illinois.
What type of water does MILL CREEK WATER RECLAMATION DISTRICT provide?
MILL CREEK WATER RECLAMATION DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0890120.
How does MILL CREEK WATER RECLAMATION DISTRICT compare to other utilities in Illinois?
MILL CREEK WATER RECLAMATION DISTRICT scores 57/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Illinois state page for a full comparison of water systems.