Is Potosi, Wisconsin tap water safe?
3 water systems report serving Potosi. Your water depends on which one serves your address. Check your bill if unsure.
B
Potosi Waterworks
Serves 718 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B
Tennyson Waterworks
Serves 367 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 2020 (older than 5 years, not graded).
A
River Vista Estates LLC
Serves 30 people · Groundwater · Full report →
No health-based violations 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).