Is Monroe, North Carolina tap water safe?
2 water systems report serving Monroe. Your water depends on which one serves your address. Check your bill if unsure.
A
Union County Water System
Serves 169,685 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
City of Monroe
Serves 43,081 people · Surface water · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).