A85/100
AQUA ILLINOIS-UNIVERSITY PARK — Water Quality Report 2026
Serving 7,002 people · Illinois
Water Source
Purchased Surface Water
County
—
System ID
IL1975030
Violations
7
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
1
Health-Related
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: August 1, 2025 – August 31, 2025Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: 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 AQUA ILLINOIS-UNIVERSITY PARK
Is AQUA ILLINOIS-UNIVERSITY PARK water safe to drink?
AQUA ILLINOIS-UNIVERSITY PARK water receives a grade of A (85/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has AQUA ILLINOIS-UNIVERSITY PARK detected?
31 contaminants were tested in AQUA ILLINOIS-UNIVERSITY PARK's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does AQUA ILLINOIS-UNIVERSITY PARK have any EPA violations?
Yes, AQUA ILLINOIS-UNIVERSITY PARK has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON, TT. 2 are health-based violations.
How many people does AQUA ILLINOIS-UNIVERSITY PARK serve?
AQUA ILLINOIS-UNIVERSITY PARK serves approximately 7,002 people, Illinois. The system provides water to 1 community: Pk Forest South.
What type of water does AQUA ILLINOIS-UNIVERSITY PARK provide?
AQUA ILLINOIS-UNIVERSITY PARK sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL1975030.
How does AQUA ILLINOIS-UNIVERSITY PARK compare to other utilities in Illinois?
AQUA ILLINOIS-UNIVERSITY PARK scores 85/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Illinois state page for a full comparison of water systems.