Sumter County, AL Shrink-Swell Risk

Sumter County's SSURGO shrink-swell reading

Moderate

In Sumter County, AL, 61.1% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.87% 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

Sumter 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 Sumter County will actually do.

Budgeting for Sumter County, AL

Sumter 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, Sumter County, AL ranks 639 most-constrained nationally, and 6 of 67 within Alabama. Sumter County covers 904 square miles and counts 11,607 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Marshall County, KS and Dodge County, MN 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 Alabama

Every county in Alabama is on this site, including Montgomery County, AL and Limestone County, AL. The full underlying dataset is downloadable directly, one row per county.