Lac qui Parle County, MN Shrink-Swell Risk

What Lac qui Parle County, MN's soil means for a foundation

Moderate

USDA's SSURGO data puts Lac qui Parle County, MN's soil at "Moderate" shrink-swell potential, an area-weighted linear extensibility of 3.12% across 60.6% of the county's surveyed land. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

This is a county figure, not a lot figure

USDA's survey covers the whole of Lac qui Parle County, MN at once, not any single address. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Lac qui Parle County will actually do.

Report cost vs. repair cost

With Lac qui Parle County, MN rating "Moderate", 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, Lac qui Parle County, MN is the 1,107-most-constrained of 3,085 rated counties for shrink-swell soil. Within Minnesota alone it ranks 32 of 87. Lac qui Parle County covers 765 square miles and counts 6,636 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Thurston County, NE and Pine County, MN 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 Minnesota

Every county in Minnesota is on this site, including Cass County, MN and Lake of the Woods County, MN. The full underlying dataset is downloadable directly, one row per county.