Grand County, UT Shrink-Swell Risk

Shrink-swell potential in Grand County, UT

Low

Soil across 69.2% of Grand County, UT comes back "Low" in USDA's shrink-swell data, averaging 2.55% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Grand County, UT - 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 Grand County will actually do.

Grand County: the real numbers

Grand 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 Grand County, UT compares

Among the 3,085 rated counties on this site, Grand County, UT ranks 1,516 most-constrained nationally, and 9 of 29 within Utah. The county spans 3,673 square miles, home to 9,788 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. St. Martin Parish, LA and Carbon County, UT 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 Utah

Every county in Utah is on this site, including Juab County, UT and Daggett County, UT. The full underlying dataset is downloadable directly, one row per county.