Arenac County, MI Shrink-Swell Risk

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

Low

Arenac County, MI: USDA's soil survey rates 69.5% of the county "Low" for shrink-swell potential (2.32% linear extensibility). That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What Arenac County's reading doesn't cover

Two lots a mile apart in Arenac County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

What it costs to find out, versus to ignore it

With Arenac 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.

Where this sits nationally

Nationally, Arenac County, MI is the 1,712-most-constrained of 3,085 rated counties for shrink-swell soil. Within Michigan alone it ranks 8 of 83. Arenac County covers 363 square miles and counts 15,087 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Butte County, SD and Rich County, UT 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 Chippewa County, MI and St. Clair County, MI. The full underlying dataset is downloadable directly, one row per county.