Frost line depth in Wadena County, MN

How deep the ground freezes in Wadena County, MN

65 in. Dig to 65 in, just below the frost. Nearest NOAA station: Wadena 3 S, 15.4 mi.

Your building department sets the legal frost line depth (IRC Table R301.2(1)); footings must go below it (R403.1.4.1). Call them before you dig.

Code depth · Snow