Beaver County, UT Shrink-Swell Risk
What Beaver County, UT's soil means for a foundation
Low
USDA's SSURGO data puts Beaver County, UT's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.68% across 64.3% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
This is a county figure, not a lot figure
USDA's survey covers the whole of Beaver County, UT at once, not any single address. 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 Beaver County.
Report cost vs. repair cost
With Beaver County, UT 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.
Beaver County's rank among Utah counties
Nationally, Beaver County, UT is the 1,431-most-constrained of 3,085 rated counties for shrink-swell soil. Within Utah alone it ranks 5 of 29. Beaver County covers 2,583 square miles and counts 7,424 residents.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Golden Valley County, MT and McCracken County, KY 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 Utah
Every county in Utah is on this site, including Weber County, UT and Kane County, UT. The full underlying dataset is downloadable directly, one row per county.