Upson County, GA Shrink-Swell Risk
Shrink-swell potential in Upson County, GA
Low
Soil across 96.7% of Upson County, GA comes back "Low" in USDA's shrink-swell data, averaging 1.93% 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 this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Upson County, GA - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
Upson County: the real numbers
Upson 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, Upson County, GA ranks 2,050 most-constrained nationally, and 30 of 159 within Georgia. Upson County, GA is 323 square miles with a population of 28,358.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Concordia Parish, LA and Wabasha 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 Georgia
Every county in Georgia is on this site, including Emanuel County, GA and Forsyth County, GA. The full underlying dataset is downloadable directly, one row per county.