Humphreys County, TN Shrink-Swell Risk

Humphreys County's SSURGO shrink-swell reading

Low

In Humphreys County, TN, 97.4% of the surveyed soil carries a "Low" shrink-swell rating, 0.99% 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

Humphreys 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 Humphreys County, TN

Humphreys 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.

Humphreys County's rank among Tennessee counties

Among the 3,085 rated counties on this site, Humphreys County, TN ranks 2,900 most-constrained nationally, and 95 of 95 within Tennessee. Humphreys County covers 531 square miles and counts 19,554 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Pemiscot County, MO and Meade County, KS 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 Rhea County, TN and Warren County, TN. The full underlying dataset is downloadable directly, one row per county.