C50/100
PEORIA HEIGHTS — Water Quality Report 2026
Serving 5,908 people · Illinois
Water Source
Groundwater
County
—
System ID
IL1434750
Violations
19
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.011 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – December 4, 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 PEORIA HEIGHTS
Is PEORIA HEIGHTS water safe to drink?
PEORIA HEIGHTS water receives a grade of C (50/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 19 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PEORIA HEIGHTS detected?
32 contaminants were tested in PEORIA HEIGHTS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does PEORIA HEIGHTS have any EPA violations?
Yes, PEORIA HEIGHTS has 19 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MCL, MR. 5 are health-based violations.
How many people does PEORIA HEIGHTS serve?
PEORIA HEIGHTS serves approximately 5,908 people, Illinois. The system provides water to 1 community: Peoria Heights.
What type of water does PEORIA HEIGHTS provide?
PEORIA HEIGHTS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL1434750.
How does PEORIA HEIGHTS compare to other utilities in Illinois?
PEORIA HEIGHTS scores 50/100 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.