Sumner County, KS Shrink-Swell Risk

Sumner County, KS's soil, for shrink-swell risk

Moderate

Sumner County, KS: USDA's soil survey rates 49.9% of the county "Moderate" for shrink-swell potential (4.48% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Sumner County's reading doesn't cover

Two lots a mile apart in Sumner 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 Sumner County.

What it costs to find out, versus to ignore it

With Sumner County, KS 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 Sumner County, KS compares

Nationally, Sumner County, KS is the 392-most-constrained of 3,085 rated counties for shrink-swell soil. Within Kansas alone it ranks 48 of 105. The county spans 1,182 square miles, home to 22,336 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Nevada County, AR and Corson County, SD 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 Kansas

Every county in Kansas is on this site, including Woodson County, KS and Hodgeman County, KS. The full underlying dataset is downloadable directly, one row per county.