Frost line depth in Fountain County, IN

How deep the ground freezes in Fountain County, IN

31 in. Dig to 32 in, just below the frost. Nearest NOAA station: Attica 2e, 11.4 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.