Lauderdale County, TN Shrink-Swell Risk
Lauderdale County's SSURGO shrink-swell reading
Moderate
In Lauderdale County, TN, 70.9% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.35% linear extensibility on average. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.
Before you rely on this for one address
Lauderdale County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
Budgeting for Lauderdale County, TN
Lauderdale 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.
Lauderdale County's rank among Tennessee counties
Among the 3,085 rated counties on this site, Lauderdale County, TN ranks 945 most-constrained nationally, and 10 of 95 within Tennessee. Lauderdale County covers 472 square miles and counts 24,630 residents.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Yellowstone County, MT and Rankin County, MS 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 Hamblen County, TN and Maury County, TN. The full underlying dataset is downloadable directly, one row per county.