Is Coleharbor, North Dakota tap water safe?
1 water system report serving Coleharbor. Your water depends on which one serves your address. Check your bill if unsure.
B
City of Coleharbor
Serves 79 people · Groundwater · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).