Lake County, OR Shrink-Swell Risk

Lake County, OR's soil, for shrink-swell risk

Low

Lake County, OR: USDA's soil survey rates 54% of the county "Low" for shrink-swell potential (2.97% 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 Lake County's reading doesn't cover

Two lots a mile apart in Lake 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 Lake County.

What it costs to find out, versus to ignore it

With Lake County, OR 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.

Lake County's rank among Oregon counties

Nationally, Lake County, OR is the 1,215-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oregon alone it ranks 17 of 36. Lake County, OR is 8,139 square miles with a population of 8,194.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Quitman County, GA and Oneida County, ID 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 Oregon

Every county in Oregon is on this site, including Harney County, OR and Douglas County, OR. The full underlying dataset is downloadable directly, one row per county.