Brown County, MN Shrink-Swell Risk
Shrink-swell potential in Brown County, MN
Low
Soil across 57.3% of Brown County, MN comes back "Low" in USDA's shrink-swell data, averaging 2.87% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Brown County, MN - 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 Brown County will actually do.
Brown County: the real numbers
Brown 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.
Brown County's rank among Minnesota counties
Among the 3,085 rated counties on this site, Brown County, MN ranks 1,286 most-constrained nationally, and 44 of 87 within Minnesota. Brown County covers 611 square miles and counts 25,710 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Boone County, AR and Noble County, OK 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 Minnesota
Every county in Minnesota is on this site, including Lake County, MN and Rice County, MN. The full underlying dataset is downloadable directly, one row per county.