Robertson County, KY Shrink-Swell Risk

Robertson County, KY's soil, for shrink-swell risk

Moderate

Robertson County, KY: USDA's soil survey rates 91.4% of the county "Moderate" for shrink-swell potential (3.51% linear extensibility). That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

What Robertson County's reading doesn't cover

Two lots a mile apart in Robertson County can carry different soil, even though they share one countywide reading. 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 Robertson County.

What it costs to find out, versus to ignore it

With Robertson County, KY 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.

How Robertson County, KY compares

Nationally, Robertson County, KY is the 839-most-constrained of 3,085 rated counties for shrink-swell soil. Within Kentucky alone it ranks 27 of 120. Robertson County, KY is 100 square miles with a population of 2,382.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Faulkner County, AR and Watonwan 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 Kentucky

Every county in Kentucky is on this site, including Lewis County, KY and Clay County, KY. The full underlying dataset is downloadable directly, one row per county.