McIntosh County, GA Shrink-Swell Risk

Shrink-swell potential in McIntosh County, GA

Moderate

Soil across 41.9% of McIntosh County, GA comes back "Moderate" in USDA's shrink-swell data, averaging 3.84% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in McIntosh County, GA - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in McIntosh County will actually do.

McIntosh County: the real numbers

McIntosh 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.

How McIntosh County, GA compares

Among the 3,085 rated counties on this site, McIntosh County, GA ranks 656 most-constrained nationally, and 1 of 159 within Georgia. McIntosh County, GA is 431 square miles with a population of 11,800.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Jefferson County, NE and Bland County, VA 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 Washington County, GA and Newton County, GA. The full underlying dataset is downloadable directly, one row per county.