TapSafetyReport
B78/100

FREDONIA WATERWORKS — Water Quality Report 2026

Serving 2,279 people · Wisconsin

Water Source
Groundwater
County
—
System ID
WI2460109
Violations
10

Contaminant Test Results

EPA Violation History

4

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: January 1, 2023 – December 31, 2023Enforcement: 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 FREDONIA WATERWORKS

Is FREDONIA WATERWORKS water safe to drink?

FREDONIA WATERWORKS water receives a grade of B (78/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has FREDONIA WATERWORKS detected?

1 contaminants were tested in FREDONIA WATERWORKS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does FREDONIA WATERWORKS have any EPA violations?

Yes, FREDONIA WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 3 are health-based violations.

How many people does FREDONIA WATERWORKS serve?

FREDONIA WATERWORKS serves approximately 2,279 people, Wisconsin. The system provides water to 1 community: Fredonia.

What type of water does FREDONIA WATERWORKS provide?

FREDONIA WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI2460109.

How does FREDONIA WATERWORKS compare to other utilities in Wisconsin?

FREDONIA WATERWORKS scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.

Cities Served

Fredonia