Millard County, UT Shrink-Swell Risk

What Millard County, UT's soil means for a foundation

Low

USDA's SSURGO data puts Millard County, UT's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.33% across 88.4% 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 Millard 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 Millard County.

Report cost vs. repair cost

With Millard 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.

How Millard County, UT compares

Nationally, Millard County, UT is the 2,679-most-constrained of 3,085 rated counties for shrink-swell soil. Within Utah alone it ranks 29 of 29. Millard County covers 6,785 square miles and counts 13,572 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Tattnall County, GA and Wayne County, IL 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 Iron County, UT and Piute County, UT. The full underlying dataset is downloadable directly, one row per county.