Benton County, IN Shrink-Swell Risk

Shrink-swell potential in Benton County, IN

Moderate

Soil across 61.6% of Benton County, IN comes back "Moderate" in USDA's shrink-swell data, averaging 3.6% linear extensibility. 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.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Benton County, IN - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Benton County will actually do.

Benton County: the real numbers

Benton 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, Benton County, IN ranks 782 most-constrained nationally, and 17 of 90 within Indiana. Benton County, IN is 406 square miles with a population of 8,853.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Coshocton County, OH and Allen County, OH 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 Indiana

Every county in Indiana is on this site, including Tipton County, IN and Cass County, IN. The full underlying dataset is downloadable directly, one row per county.