Tap water in Plainwell, MI — ZIP 49078

2 public water systems serving about 8,118 people. PFAS "forever chemicals" have been detected here.

Poor

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 49078

Otsego

PWSID MI0005060 · serves 4,120 · groundwater

0 health-based / 1 total violations (5 yrs) · PFAS up to 13 ppt — above federal limit

Plainwell

PWSID MI0005380 · serves 3,998 · 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