Tattnall County, GA Shrink-Swell Risk

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

Low

Tattnall County, GA: USDA's soil survey rates 94.3% of the county "Low" for shrink-swell potential (0.94% linear extensibility). That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What Tattnall County's reading doesn't cover

Two lots a mile apart in Tattnall 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 Tattnall 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.

How Tattnall County, GA compares

Nationally, Tattnall County, GA is the 2,921-most-constrained of 3,085 rated counties for shrink-swell soil. Within Georgia alone it ranks 145 of 159. Tattnall County, GA is 481 square miles with a population of 24,275.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Davidson County, TN and Jackson County, IL 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 Lanier County, GA and Haralson County, GA. The full underlying dataset is downloadable directly, one row per county.