Tap water in Red Oak, IA — ZIP 51632
2 public water systems serving about 10,901 people. PFAS "forever chemicals" have been detected here.
B
Good
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 51632
Red Oak Water Supply
PWSID IA6950075 · serves 5,596 ·
groundwater
0 health-based / 2 total violations (5 yrs)
Clarinda Water Plant
PWSID IA7329029 · serves 5,305 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 8.2 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology