White County, TN Shrink-Swell Risk
Shrink-swell potential in White County, TN
Low
Soil across 82% of White County, TN comes back "Low" in USDA's shrink-swell data, averaging 1.89% 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 White County, TN - 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 White County will actually do.
White County: the real numbers
White 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.
Where this sits nationally
Among the 3,085 rated counties on this site, White County, TN ranks 2,084 most-constrained nationally, and 55 of 95 within Tennessee. The county spans 377 square miles, home to 29,108 people.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Garfield County, CO and Macoupin 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
Elsewhere in Tennessee
Every county in Tennessee is on this site, including Benton County, TN and Weakley County, TN. The full underlying dataset is downloadable directly, one row per county.