Logan County, KS Shrink-Swell Risk

Shrink-swell potential in Logan County, KS

Low

Soil across 71.7% of Logan County, KS comes back "Low" in USDA's shrink-swell data, averaging 2.62% 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 this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Logan County, KS - 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 Logan County.

Logan County: the real numbers

Logan 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.

Logan County's rank among Kansas counties

Among the 3,085 rated counties on this site, Logan County, KS ranks 1,468 most-constrained nationally, and 88 of 105 within Kansas. The county spans 1,073 square miles, home to 2,694 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Faulk County, SD and Screven 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

Elsewhere in Kansas

Every county in Kansas is on this site, including Sheridan County, KS and Rooks County, KS. The full underlying dataset is downloadable directly, one row per county.