Bamberg County, SC Shrink-Swell Risk

Bamberg County, SC's soil, for shrink-swell risk

Low

Bamberg County, SC: USDA's soil survey rates 87.3% of the county "Low" for shrink-swell potential (1.42% linear extensibility). 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.

What Bamberg County's reading doesn't cover

Two lots a mile apart in Bamberg County can carry different soil, even though they share one countywide reading. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Bamberg County.

What it costs to find out, versus to ignore it

With Bamberg County, SC rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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 Bamberg County, SC compares

Nationally, Bamberg County, SC is the 2,599-most-constrained of 3,085 rated counties for shrink-swell soil. Within South Carolina alone it ranks 38 of 46. Bamberg County, SC is 393 square miles with a population of 12,870.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Somerset County, MD and Adair County, KY 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

More of South Carolina

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