Madison County, KY Shrink-Swell Risk

Shrink-swell potential in Madison County, KY

Moderate

Soil across 48.4% of Madison County, KY comes back "Moderate" in USDA's shrink-swell data, averaging 3.09% 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 Madison 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).

Madison County: the real numbers

Madison 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 Madison County, KY compares

Among the 3,085 rated counties on this site, Madison County, KY ranks 1,124 most-constrained nationally, and 42 of 120 within Kentucky. The county spans 438 square miles, home to 99,582 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Noble County, OK and Pike County, IN 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 Montgomery County, KY and Nicholas County, KY. The full underlying dataset is downloadable directly, one row per county.