Waushara County, WI Shrink-Swell Risk
Waushara County, WI's soil, for shrink-swell risk
Low
Waushara County, WI: USDA's soil survey rates 92.1% of the county "Low" for shrink-swell potential (0.86% 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 Waushara County's reading doesn't cover
Two lots a mile apart in Waushara County can carry different soil, even though they share one countywide reading. 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 Waushara County.
What it costs to find out, versus to ignore it
With Waushara County, WI 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 Waushara County, WI compares
Nationally, Waushara County, WI is the 2,959-most-constrained of 3,085 rated counties for shrink-swell soil. Within Wisconsin alone it ranks 66 of 72. The county spans 626 square miles, home to 25,079 people.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Mills County, IA and Laurens County, GA 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 Wisconsin
Every county in Wisconsin is on this site, including Grant County, WI and Price County, WI. The full underlying dataset is downloadable directly, one row per county.