Frost line depth in Starke County, IN

How deep the ground freezes in Starke County, IN

32 in. Dig to 33 in, just below the frost. Nearest NOAA station: Knox Wwtp, 1.7 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.