Kossuth County, IA Shrink-Swell Risk

Kossuth County's SSURGO shrink-swell reading

Moderate

In Kossuth County, IA, 53.8% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.42% linear extensibility on average. That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

Before you rely on this for one address

Kossuth 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 Kossuth County, IA

Kossuth 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.

Kossuth County's rank among Iowa counties

Among the 3,085 rated counties on this site, Kossuth County, IA ranks 896 most-constrained nationally, and 64 of 99 within Iowa. Kossuth County, IA is 973 square miles with a population of 14,408.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Columbia County, WA and Poinsett County, AR 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 Iowa

Every county in Iowa is on this site, including Cerro Gordo County, IA and Winnebago County, IA. The full underlying dataset is downloadable directly, one row per county.