D20/100

WHITEWATER WATERWORKS — Water Quality Report 2026

Serving 14,000 people · Wisconsin

Water Source
Groundwater
County
System ID
WI2650056
Violations
41

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.010 mg/L0.015 mg/LAbove Goal

EPA Violation History

2

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Monitoring Violation

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

When: September 1, 2024 – September 30, 2024Rule: Total Coliform RuleEnforcement: 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, 2024 – December 31, 2024Enforcement: 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 WHITEWATER WATERWORKS

Is WHITEWATER WATERWORKS water safe to drink?

WHITEWATER WATERWORKS water receives a grade of D (20/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 41 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has WHITEWATER WATERWORKS detected?

66 contaminants were tested in WHITEWATER WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does WHITEWATER WATERWORKS have any EPA violations?

Yes, WHITEWATER WATERWORKS has 41 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, Other. 9 are health-based violations.

How many people does WHITEWATER WATERWORKS serve?

WHITEWATER WATERWORKS serves approximately 14,000 people, Wisconsin. The system provides water to 1 community: Whitewater.

What type of water does WHITEWATER WATERWORKS provide?

WHITEWATER WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI2650056.

How does WHITEWATER WATERWORKS compare to other utilities in Wisconsin?

WHITEWATER WATERWORKS 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.

Cities Served