Is Massena, Iowa tap water safe?
1 water system report serving Massena. Your water depends on which one serves your address. Check your bill if unsure.
C
Massena Water Supply
Serves 364 people · Groundwater · Full report →
2 health-based violations in the last 5 years; 10 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).