D35/100

EVANSVILLE WATERWORKS — Water Quality Report 2026

Serving 5,703 people · Wisconsin

Water Source
Groundwater
County
System ID
WI1540047
Violations
18

Contaminant Test Results

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

EPA Violation History

3

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – August 8, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – August 8, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – August 2, 2022Enforcement: 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 EVANSVILLE WATERWORKS

Is EVANSVILLE WATERWORKS water safe to drink?

EVANSVILLE WATERWORKS water receives a grade of D (35/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has EVANSVILLE WATERWORKS detected?

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

Does EVANSVILLE WATERWORKS have any EPA violations?

Yes, EVANSVILLE WATERWORKS has 18 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MCL, MR. 11 are health-based violations.

How many people does EVANSVILLE WATERWORKS serve?

EVANSVILLE WATERWORKS serves approximately 5,703 people, Wisconsin. The system provides water to 1 community: Evansville.

What type of water does EVANSVILLE WATERWORKS provide?

EVANSVILLE WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1540047.

How does EVANSVILLE WATERWORKS compare to other utilities in Wisconsin?

EVANSVILLE WATERWORKS scores 35/100 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