Pulaski County, AR Shrink-Swell Risk

What Pulaski County, AR's soil means for a foundation

Moderate

USDA's SSURGO data puts Pulaski County, AR's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 4.2% across 54.9% of the county's surveyed land. 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.

This is a county figure, not a lot figure

USDA's survey covers the whole of Pulaski County, AR at once, not any single address. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Pulaski County.

Report cost vs. repair cost

With Pulaski County, AR rating "Moderate", 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.

Pulaski County's rank among Arkansas counties

Nationally, Pulaski County, AR is the 474-most-constrained of 3,085 rated counties for shrink-swell soil. Within Arkansas alone it ranks 20 of 75. The county spans 758 square miles, home to 401,209 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Shelby County, OH and Stark County, OH 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 Arkansas

Every county in Arkansas is on this site, including Grant County, AR and Sebastian County, AR. The full underlying dataset is downloadable directly, one row per county.