Sumter County, GA Shrink-Swell Risk

Sumter County, GA's soil, for shrink-swell risk

Low

Sumter County, GA: USDA's soil survey rates 96.1% of the county "Low" for shrink-swell potential (1.13% linear extensibility). Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What Sumter County's reading doesn't cover

Two lots a mile apart in Sumter County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

What it costs to find out, versus to ignore it

With Sumter County, GA 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.

Sumter County's rank among Georgia counties

Nationally, Sumter County, GA is the 2,822-most-constrained of 3,085 rated counties for shrink-swell soil. Within Georgia alone it ranks 128 of 159. Sumter County, GA is 483 square miles with a population of 28,972.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Pearl River County, MS and Camas County, ID 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 Georgia

Every county in Georgia is on this site, including Treutlen County, GA and McDuffie County, GA. The full underlying dataset is downloadable directly, one row per county.