D20/100
LAKE GENEVA UTILITY COMMISSION — Water Quality Report 2026
Serving 7,107 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI2650066
Violations
49
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.004 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
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: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: 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 LAKE GENEVA UTILITY COMMISSION
Is LAKE GENEVA UTILITY COMMISSION water safe to drink?
LAKE GENEVA UTILITY COMMISSION water receives a grade of D (20/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 49 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAKE GENEVA UTILITY COMMISSION detected?
31 contaminants were tested in LAKE GENEVA UTILITY COMMISSION's water. Notable contaminants include PFOA, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does LAKE GENEVA UTILITY COMMISSION have any EPA violations?
Yes, LAKE GENEVA UTILITY COMMISSION has 49 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, MCL. 5 are health-based violations.
How many people does LAKE GENEVA UTILITY COMMISSION serve?
LAKE GENEVA UTILITY COMMISSION serves approximately 7,107 people, Wisconsin. The system provides water to 1 community: Lake Geneva.
What type of water does LAKE GENEVA UTILITY COMMISSION provide?
LAKE GENEVA UTILITY COMMISSION sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI2650066.
How does LAKE GENEVA UTILITY COMMISSION compare to other utilities in Wisconsin?
LAKE GENEVA UTILITY COMMISSION scores 20/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.