Cass County, IL Shrink-Swell Risk

Cass County's SSURGO shrink-swell reading

Low

In Cass County, IL, 51% of the surveyed soil carries a "Low" shrink-swell rating, 2.94% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Cass County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Cass County will actually do.

Budgeting for Cass County, IL

Cass 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.

How Cass County, IL compares

Among the 3,085 rated counties on this site, Cass County, IL ranks 1,237 most-constrained nationally, and 92 of 101 within Illinois. The county spans 376 square miles, home to 12,713 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Pennington County, MN and Garden County, NE 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 Illinois

Every county in Illinois is on this site, including Wabash County, IL and Gallatin County, IL. The full underlying dataset is downloadable directly, one row per county.