Is Hollister, Missouri tap water safe?
3 water systems report serving Hollister. Your water depends on which one serves your address. Check your bill if unsure.
A
Hollister PWS
Serves 4,426 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
Gobblers Knob MHP
Serves 230 people · Groundwater · Full report →
No health-based violations in the last 5 years; 7 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
A
Walker MHP
Serves 52 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).