Frost line depth in Wallowa County, OR

How deep the ground freezes in Wallowa County, OR

27 in. Dig to 27 in, just below the frost. Nearest NOAA station: Enterprise 20 Nne, 8.1 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