B69/100
GENOA — Water Quality Report 2026
Serving 5,298 people · Illinois
Water Source
Groundwater
County
—
System ID
IL0370150
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.010 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – September 30, 2025Verify on EPA.gov
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 GENOA
Is GENOA water safe to drink?
GENOA water receives a grade of B (69/100), which is considered good. Out of 38 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GENOA detected?
38 contaminants were tested in GENOA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GENOA have any EPA violations?
Yes, GENOA has 12 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MCL. 4 are health-based violations.
How many people does GENOA serve?
GENOA serves approximately 5,298 people, Illinois. The system provides water to 1 community: Genoa.
What type of water does GENOA provide?
GENOA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IL0370150.
How does GENOA compare to other utilities in Illinois?
GENOA scores 69/100 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.