Union County, KY Shrink-Swell Risk

Shrink-swell potential in Union County, KY

Low

Soil across 64.6% of Union County, KY comes back "Low" in USDA's shrink-swell data, averaging 2.54% 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 Union County, KY - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Union County: the real numbers

Union 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.

Union County's rank among Kentucky counties

Among the 3,085 rated counties on this site, Union County, KY ranks 1,528 most-constrained nationally, and 57 of 120 within Kentucky. Union County, KY is 343 square miles with a population of 13,178.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Llano County, TX and Mississippi County, MO 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 Kentucky

Every county in Kentucky is on this site, including Marshall County, KY and Livingston County, KY. The full underlying dataset is downloadable directly, one row per county.