Edgefield County, SC Shrink-Swell Risk

Edgefield County's SSURGO shrink-swell reading

Low

In Edgefield County, SC, 94.1% of the surveyed soil carries a "Low" shrink-swell rating, 1.74% 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

Edgefield 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 Edgefield County will actually do.

Budgeting for Edgefield County, SC

Edgefield 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, Edgefield County, SC ranks 2,233 most-constrained nationally, and 25 of 46 within South Carolina. Edgefield County covers 501 square miles and counts 29,455 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Lyon County, MN and Pennington 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 South Carolina

Every county in South Carolina is on this site, including Horry County, SC and Greenville County, SC. The full underlying dataset is downloadable directly, one row per county.