Frost line depth in Juab County, UT
How deep the ground freezes in Juab County, UT
26 in. Dig to 27 in, just below the frost. Nearest NOAA station: Little Sahara Rec Area, 25.7 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.