B65/100
AURORA — Water Quality Report 2026
Serving 183,000 people · Illinois
Water Source
Surface Water
County
—
System ID
IL0894070
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.021 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2004.
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 AURORA
Is AURORA water safe to drink?
AURORA water receives a grade of B (65/100), which is considered good. Out of 76 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has AURORA detected?
76 contaminants were tested in AURORA's water. Notable contaminants include Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does AURORA have any EPA violations?
Yes, AURORA has 7 EPA violation(s) on record, with the most recent in 2004. Violation types include MCL, MR, TT. 5 are health-based violations.
How many people does AURORA serve?
AURORA serves approximately 183,000 people, Illinois. The system provides water to 1 community: Aurora.
What type of water does AURORA provide?
AURORA sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is IL0894070.
How does AURORA compare to other utilities in Illinois?
AURORA scores 65/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Illinois state page for a full comparison of water systems.