Is O'neill, Nebraska tap water safe?
2 water systems report serving O'neill. Your water depends on which one serves your address. Check your bill if unsure.
A
City of Oneill
Serves 3,705 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).
A
East Park Estates
Serves 100 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 (2021).