Wayne County, IL Shrink-Swell Risk

Shrink-swell potential in Wayne County, IL

Low

Soil across 51.5% of Wayne County, IL comes back "Low" in USDA's shrink-swell data, averaging 2.96% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Wayne County, IL - 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 Wayne County will actually do.

Wayne County: the real numbers

Wayne 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.

Wayne County's rank among Illinois counties

Among the 3,085 rated counties on this site, Wayne County, IL ranks 1,225 most-constrained nationally, and 90 of 101 within Illinois. Wayne County covers 714 square miles and counts 15,928 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Lee County, TX and Lapeer County, MI 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 Will County, IL and Hardin County, IL. The full underlying dataset is downloadable directly, one row per county.