Is Marshfield, Wisconsin tap water safe?
2 water systems report serving Marshfield. Your water depends on which one serves your address. Check your bill if unsure.
C
Marshfield Utilities
Serves 18,815 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 (2025).
B
Boardwalk MHC LLC
Serves 130 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2021 (older than 5 years, not graded).