Is Pewaukee, Wisconsin tap water safe?

4 water systems report serving Pewaukee. Your water depends on which one serves your address. Check your bill if unsure.

F

Pewaukee City Water and Sewer Utility

Serves 8,671 people · Groundwater · Full report →
11 health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2023).
D

Pewaukee Village Waterworks

Serves 8,166 people · Groundwater · Full report →
21 health-based violations in the last 5 years; 18 monitoring/reporting violations; 12 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
A

Oakton Beach

Serves 144 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 (2022).
A

Country Court Subdivision

Serves 45 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2021 (older than 5 years, not graded).