Is Sturgeon Bay, Wisconsin tap water safe?
2 water systems report serving Sturgeon Bay. Your water depends on which one serves your address. Check your bill if unsure.
C
Sturgeon Bay Waterworks
Serves 9,700 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2023).
A
Carlton Heights MHP Ct 2
Serves 60 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).