Frost line depth in Uintah County, UT
How deep the ground freezes in Uintah County, UT
40 in. Dig to 41 in, just below the frost. Nearest NOAA station: Ouray 4ne, 6.7 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.