TapSafetyReport
F0/100

GENOA CITY WATERWORKS — Water Quality Report 2026

Serving 2,766 people · Wisconsin

Water Source
Groundwater
County
—
System ID
WI2650058
Violations
91

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
2.35 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.005 mg/L0.015 mg/LAbove Goal

EPA Violation History

4

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, 2023 – December 31, 2023Rule: 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, 2023 – December 31, 2023Rule: 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: April 1, 2022 – June 30, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2022 – September 20, 2023Rule: Ground Water 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 GENOA CITY WATERWORKS

Is GENOA CITY WATERWORKS water safe to drink?

GENOA CITY WATERWORKS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 91 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has GENOA CITY WATERWORKS detected?

2 contaminants were tested in GENOA CITY WATERWORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does GENOA CITY WATERWORKS have any EPA violations?

Yes, GENOA CITY WATERWORKS has 91 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, TT, Other. 15 are health-based violations.

How many people does GENOA CITY WATERWORKS serve?

GENOA CITY WATERWORKS serves approximately 2,766 people, Wisconsin. The system provides water to 1 community: Genoa City.

What type of water does GENOA CITY WATERWORKS provide?

GENOA CITY WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI2650058.

How does GENOA CITY WATERWORKS compare to other utilities in Wisconsin?

GENOA CITY WATERWORKS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.

Cities Served

Genoa City