Hughes County, SD Shrink-Swell Risk

Hughes County's SSURGO shrink-swell reading

Moderate

In Hughes County, SD, 68.5% of the surveyed soil carries a "Moderate" shrink-swell rating, 5.33% linear extensibility on average. 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.

Before you rely on this for one address

Hughes County's reading is an average across the whole county, not a promise about any one lot inside it. 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 Hughes County.

Budgeting for Hughes County, SD

Hughes 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.

Hughes County's rank among South Dakota counties

Among the 3,085 rated counties on this site, Hughes County, SD ranks 237 most-constrained nationally, and 17 of 66 within South Dakota. Hughes County, SD is 742 square miles with a population of 17,526.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Jim Wells County, TX and Newberry County, SC 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 South Dakota

Every county in South Dakota is on this site, including Sully County, SD and Gregory County, SD. The full underlying dataset is downloadable directly, one row per county.