Frostline in Utah (not specifically for Box Elder County) is 30 inches deep. I assume that this is a typical statewide rule of thumb good for most locations but would not apply to very high elevations.
12 inches
Wilmington, North Carolina, is located in New Hanover County. The frost line depth in New Hanover County is 2 inches.
36 inches
The frost line in Wilmington, North Carolina is 2 inches. This is the same for all of New Hanover county.
24"
According to the building permit section of the Clermont County, Ohio web site "The frost line is 30 inches below grade." See attached link
no Frost
The frost line in Salt lake city is 30 in. I would assume that that is average for most of the state.
According to the Idaho Association of Building Officials, the frost line in Idaho ranges from as little as 12 inches in Orofino County to as much as 36 inches in several counties. Ada County, where Boise is located, has a frost depth of 24 inches. See the full list here: http://www.idabo.org/loads.htm
The frost line in Fauquier County, Virginia, typically ranges from 30 to 36 inches below the surface. This depth is important for construction and landscaping, as it indicates how deep foundations and footings should be placed to prevent frost heave during winter. Local soil conditions and microclimates can affect the frost line slightly, so it's advisable to consult local building codes or professionals for precise measurements.
The frost line depth for Roosevelt, Utah, typically ranges from 30 to 36 inches. This depth can vary slightly depending on local soil conditions and specific weather patterns. When constructing foundations or plumbing systems, it's essential to account for this depth to prevent frost heave and damage during cold weather. Always consult local building codes for the most accurate and updated information.