Want this question answered?
42 inches minimum.
In western Pennsylvania the frost line falls at 36", when installing underground waterlines 42" is perfered.
Pennsylvania ave
frost line in Gwinnett
The Mason-Dixon line.
no Frost
Around phila. area it is three feet, not sure if it is different north of that!
The frost line i Michigan measures about 42 inches.
Frost line in SLC is 30"in
The frost line in the state of West Virginia is about 30 inches. This is the depth that frost can penetrate the soil.
What is the frost line depth in louisville Kentucky
what do you mean by frost line frost will penetrate up to three feet in the dead of winter if that is what you are asking.