Wheatland County, MT Shrink-Swell Risk
Shrink-swell potential in Wheatland County, MT
Low
Soil across 78.2% of Wheatland County, MT comes back "Low" in USDA's shrink-swell data, averaging 2.38% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Wheatland County, MT - never a reading for one specific parcel. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Wheatland County.
Wheatland County: the real numbers
Wheatland County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.
How Wheatland County, MT compares
Among the 3,085 rated counties on this site, Wheatland County, MT ranks 1,669 most-constrained nationally, and 39 of 54 within Montana. Wheatland County, MT is 1,422 square miles with a population of 2,058.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Liberty County, TX and Moffat County, CO are worth a look for comparison.
How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil
Elsewhere in Montana
Every county in Montana is on this site, including Judith Basin County, MT and Lake County, MT. The full underlying dataset is downloadable directly, one row per county.