Frost line depth in Rio Arriba County, NM

How deep the ground freezes in Rio Arriba County, NM

33 in. Dig to 34 in, just below the frost. Nearest NOAA station: El Vado Dam, 6.1 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