Is Duncan, Arizona tap water safe?
2 water systems report serving Duncan. Your water depends on which one serves your address. Check your bill if unsure.
D
Town of Duncan
Serves 605 people · Groundwater · Full report →
3 health-based violations in the last 5 years; 97 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
C
Valley View MHC & RV Park
Serves 142 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 22 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).