Frost line depth in Boone County, AR

How deep the ground freezes in Boone County, AR

15 in. Dig to 15 in, just below the frost. Nearest NOAA station: Harrison Boone Co Ap, 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