Frost line depth in Big Stone County, MN

How deep the ground freezes in Big Stone County, MN

53 in. Dig to 54 in, just below the frost. Nearest NOAA station: Artichoke Lake 1 E, 13.6 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