FrostDepthCheck

Frost line depth in Red Lake County, MN

How deep the ground freezes in Red Lake County, MN

69 in. Dig to 69 in, just below the frost. Nearest NOAA station: Red Lake Falls, 9.2 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