Frost line depth in Huntington County, IN

How deep the ground freezes in Huntington County, IN

31 in. Dig to 31 in, just below the frost. Nearest NOAA station: Huntington, 2.3 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.