Tap water in Denison, IA — ZIP 51442
2 public water systems serving about 11,096 people.
A
Excellent
Water systems serving 51442
Denison Water Supply
PWSID IA2424027 · serves 9,381 ·
groundwater
0 health-based / 0 total violations (5 yrs)
West Central Rwa-Boyer System
PWSID IA1400903 · serves 1,715 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology