Teton County, WY Shrink-Swell Risk
Teton County, WY's soil, for shrink-swell risk
Low
Teton County, WY: USDA's soil survey rates 79.4% of the county "Low" for shrink-swell potential (2.39% 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 Teton County's reading doesn't cover
Two lots a mile apart in Teton County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
What it costs to find out, versus to ignore it
With Teton County, WY rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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 Teton County, WY compares
Nationally, Teton County, WY is the 1,652-most-constrained of 3,085 rated counties for shrink-swell soil. Within Wyoming alone it ranks 17 of 23. The county spans 3,997 square miles, home to 23,272 people.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Conway County, AR and Arkansas County, AR 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
More of Wyoming
Every county in Wyoming is on this site, including Weston County, WY and Platte County, WY. The full underlying dataset is downloadable directly, one row per county.