Lafayette County, WI Shrink-Swell Risk

Shrink-swell potential in Lafayette County, WI

Moderate

Soil across 82.3% of Lafayette County, WI comes back "Moderate" in USDA's shrink-swell data, averaging 3.99% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Lafayette County, WI - never a reading for one specific parcel. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Lafayette County.

Lafayette County: the real numbers

Lafayette 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.

How Lafayette County, WI compares

Among the 3,085 rated counties on this site, Lafayette County, WI ranks 569 most-constrained nationally, and 1 of 72 within Wisconsin. Lafayette County, WI is 634 square miles with a population of 17,306.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Pope County, MN and Ouachita Parish, LA 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 Portage County, WI and Washburn County, WI. The full underlying dataset is downloadable directly, one row per county.