Wayne County, MI Shrink-Swell Risk

Wayne County, MI's soil, for shrink-swell risk

Low

Wayne County, MI: USDA's soil survey rates 81.1% of the county "Low" for shrink-swell potential (1.89% 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 Wayne County's reading doesn't cover

Two lots a mile apart in Wayne County can carry different soil, even though they share one countywide reading. 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.

What it costs to find out, versus to ignore it

With Wayne County, MI rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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 Wayne County, MI compares

Nationally, Wayne County, MI is the 2,077-most-constrained of 3,085 rated counties for shrink-swell soil. Within Michigan alone it ranks 18 of 83. Wayne County, MI is 612 square miles with a population of 1,771,063.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Rockingham County, NH and Bonneville County, ID 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

More of Michigan

Every county in Michigan is on this site, including Iron County, MI and Emmet County, MI. The full underlying dataset is downloadable directly, one row per county.