Trempealeau County, WI Shrink-Swell Risk

Shrink-swell potential in Trempealeau County, WI

Low

Soil across 97.1% of Trempealeau County, WI comes back "Low" in USDA's shrink-swell data, averaging 1.56% 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 Trempealeau County, WI - 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 Trempealeau County will actually do.

Trempealeau County: the real numbers

Trempealeau 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.

Trempealeau County's rank among Wisconsin counties

Among the 3,085 rated counties on this site, Trempealeau County, WI ranks 2,430 most-constrained nationally, and 42 of 72 within Wisconsin. Trempealeau County covers 733 square miles and counts 30,801 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Hocking County, OH and Switzerland County, IN 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 Wisconsin

Every county in Wisconsin is on this site, including La Crosse County, WI and Vilas County, WI. The full underlying dataset is downloadable directly, one row per county.