Lake County, TN Shrink-Swell Risk
Shrink-swell potential in Lake County, TN
Moderate
Soil across 38.6% of Lake County, TN comes back "Moderate" in USDA's shrink-swell data, averaging 5.14% 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 Lake County, TN - 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 Lake County.
Lake County: the real numbers
Lake 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 Lake County, TN compares
Among the 3,085 rated counties on this site, Lake County, TN ranks 272 most-constrained nationally, and 1 of 95 within Tennessee. Lake County, TN is 166 square miles with a population of 6,422.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Morris County, NJ and Butler County, OH 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 Tennessee
Every county in Tennessee is on this site, including Madison County, TN and Stewart County, TN. The full underlying dataset is downloadable directly, one row per county.