Moody County, SD Shrink-Swell Risk

Moody County's SSURGO shrink-swell reading

Moderate

In Moody County, SD, 77.1% of the surveyed soil carries a "Moderate" shrink-swell rating, 4.06% 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

Moody 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 Moody County, SD

Moody 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Moody County, SD ranks 539 most-constrained nationally, and 33 of 66 within South Dakota. Moody County covers 519 square miles and counts 6,529 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Suwannee County, FL and Hidalgo County, TX 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 Douglas County, SD and Hutchinson County, SD. The full underlying dataset is downloadable directly, one row per county.