Loudon County, TN Shrink-Swell Risk

Loudon County's SSURGO shrink-swell reading

Low

In Loudon County, TN, 53.4% of the surveyed soil carries a "Low" shrink-swell rating, 2.91% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Loudon County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Loudon County will actually do.

Budgeting for Loudon County, TN

Loudon 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 Loudon County, TN compares

Among the 3,085 rated counties on this site, Loudon County, TN ranks 1,254 most-constrained nationally, and 16 of 95 within Tennessee. Loudon County covers 229 square miles and counts 62,129 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Thomas County, KS and Forest County, PA 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 Knox County, TN and Hancock County, TN. The full underlying dataset is downloadable directly, one row per county.