Is Williamstown, Missouri tap water safe?
1 water system report serving Williamstown. Your water depends on which one serves your address. Check your bill if unsure.
A
Clark County Cons PWSD 1
Serves 8,000 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).