Frost line depth in Green Lake County, WI

How deep the ground freezes in Green Lake County, WI

46 in. Dig to 46 in, just below the frost. Nearest NOAA station: Markesan, 5.5 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