Gray County, KS Shrink-Swell Risk

Shrink-swell potential in Gray County, KS

Moderate

Soil across 67.2% of Gray County, KS comes back "Moderate" in USDA's shrink-swell data, averaging 3.48% 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 Gray County, KS - 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).

Gray County: the real numbers

Gray 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 Gray County, KS compares

Among the 3,085 rated counties on this site, Gray County, KS ranks 859 most-constrained nationally, and 67 of 105 within Kansas. Gray County covers 869 square miles and counts 5,730 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Wabaunsee County, KS and Martin County, NC 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 Norton County, KS and Allen County, KS. The full underlying dataset is downloadable directly, one row per county.