Washakie County, WY Shrink-Swell Risk
Shrink-swell potential in Washakie County, WY
Low
Soil across 55.3% of Washakie County, WY comes back "Low" in USDA's shrink-swell data, averaging 2.78% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Washakie County, WY - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Washakie County will actually do.
Washakie County: the real numbers
Washakie 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 Washakie County, WY compares
Among the 3,085 rated counties on this site, Washakie County, WY ranks 1,362 most-constrained nationally, and 9 of 23 within Wyoming. Washakie County, WY is 2,239 square miles with a population of 7,662.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Mills County, TX and Grand 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 Wyoming
Every county in Wyoming is on this site, including Campbell County, WY and Natrona County, WY. The full underlying dataset is downloadable directly, one row per county.