Grant County, WV Shrink-Swell Risk

Shrink-swell potential in Grant County, WV

Low

Soil across 86.3% of Grant County, WV comes back "Low" in USDA's shrink-swell data, averaging 1.54% 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 Grant County, WV - 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 Grant County.

Grant County: the real numbers

Grant 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Grant County, WV ranks 2,456 most-constrained nationally, and 43 of 55 within West Virginia. The county spans 477 square miles, home to 10,971 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Haakon County, SD and Spotsylvania County, VA 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 West Virginia

Every county in West Virginia is on this site, including Taylor County, WV and Wirt County, WV. The full underlying dataset is downloadable directly, one row per county.