Tap water in Onamia, MN — ZIP 56359
1 public water system serving about 4,220 people.
A
Excellent
Water systems serving 56359
Vineland
PWSID 055294301 · serves 4,220 ·
groundwater
0 health-based / 2 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