Ouachita County, AR Shrink-Swell Risk

Ouachita County's SSURGO shrink-swell reading

Low

In Ouachita County, AR, 69.8% of the surveyed soil carries a "Low" shrink-swell rating, 2.31% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Ouachita County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Ouachita County, AR

Ouachita 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.

Ouachita County's rank among Arkansas counties

Among the 3,085 rated counties on this site, Ouachita County, AR ranks 1,718 most-constrained nationally, and 54 of 75 within Arkansas. Ouachita County, AR is 733 square miles with a population of 21,684.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Chilton County, AL and Marion County, KS 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 Arkansas

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