Pottawatomie County, OK Shrink-Swell Risk

What Pottawatomie County, OK's soil means for a foundation

Low

USDA's SSURGO data puts Pottawatomie County, OK's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.93% across 71.1% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Pottawatomie County, OK at once, not any single address. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Report cost vs. repair cost

With Pottawatomie County, OK 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.

Pottawatomie County's rank among Oklahoma counties

Nationally, Pottawatomie County, OK is the 1,241-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oklahoma alone it ranks 53 of 77. Pottawatomie County, OK is 788 square miles with a population of 74,446.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Coal County, OK 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

More of Oklahoma

Every county in Oklahoma is on this site, including Johnston County, OK and Coal County, OK. The full underlying dataset is downloadable directly, one row per county.