Carter County, TN Shrink-Swell Risk

Carter County's SSURGO shrink-swell reading

Low

In Carter County, TN, 84.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.64% linear extensibility on average. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

Before you rely on this for one address

Carter 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 Carter County will actually do.

Budgeting for Carter County, TN

Carter 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 Carter County, TN compares

Among the 3,085 rated counties on this site, Carter County, TN ranks 2,344 most-constrained nationally, and 67 of 95 within Tennessee. Carter County, TN is 341 square miles with a population of 57,434.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Kendall County, TX and Gunnison County, CO 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 McMinn County, TN and Cumberland County, TN. The full underlying dataset is downloadable directly, one row per county.