B78/100
STURGEON BAY WATERWORKS — Water Quality Report 2026
Serving 9,700 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI4150526
Violations
3
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFHxS | 0.013 µg/L | 0.010 µg/L | Over Limit |
PFOS | 0.004 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2004.
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 STURGEON BAY WATERWORKS
Is STURGEON BAY WATERWORKS water safe to drink?
STURGEON BAY WATERWORKS water receives a grade of B (78/100), which is considered good. Out of 31 contaminants tested, 2 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has STURGEON BAY WATERWORKS detected?
31 contaminants were tested in STURGEON BAY WATERWORKS's water. Notable contaminants include PFHxS, PFOS, Lead (90th percentile). 2 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does STURGEON BAY WATERWORKS have any EPA violations?
Yes, STURGEON BAY WATERWORKS has 3 EPA violation(s) on record, with the most recent in 2004. Violation types include MR.
How many people does STURGEON BAY WATERWORKS serve?
STURGEON BAY WATERWORKS serves approximately 9,700 people, Wisconsin. The system provides water to 1 community: Sturgeon Bay.
What type of water does STURGEON BAY WATERWORKS provide?
STURGEON BAY WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI4150526.
How does STURGEON BAY WATERWORKS compare to other utilities in Wisconsin?
STURGEON BAY 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.