Douglas County, GA Shrink-Swell Risk
Shrink-swell potential in Douglas County, GA
Low
Soil across 97.8% of Douglas County, GA comes back "Low" in USDA's shrink-swell data, averaging 1.57% 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 Douglas 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).
Douglas County: the real numbers
Douglas 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.
Douglas County's rank among Georgia counties
Among the 3,085 rated counties on this site, Douglas County, GA ranks 2,411 most-constrained nationally, and 62 of 159 within Georgia. Douglas County covers 200 square miles and counts 151,887 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Centre County, PA and Santa Clara County, CA 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 Macon County, GA and Laurens County, GA. The full underlying dataset is downloadable directly, one row per county.