Hardin County, IL Shrink-Swell Risk

Hardin County's SSURGO shrink-swell reading

Low

In Hardin County, IL, 51.7% of the surveyed soil carries a "Low" shrink-swell rating, 2.76% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Hardin 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 Hardin County.

Budgeting for Hardin County, IL

Hardin 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, Hardin County, IL ranks 1,371 most-constrained nationally, and 94 of 101 within Illinois. Hardin County covers 177 square miles and counts 3,550 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Spotsylvania County, VA and Lake County, FL 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 Jersey County, IL and Carroll County, IL. The full underlying dataset is downloadable directly, one row per county.