Wirt County, WV Shrink-Swell Risk

Wirt County's SSURGO shrink-swell reading

Moderate

In Wirt County, WV, 70.1% of the surveyed soil carries a "Moderate" shrink-swell rating, 4.21% linear extensibility on average. 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.

Before you rely on this for one address

Wirt County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Wirt County will actually do.

Budgeting for Wirt County, WV

Wirt 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 Wirt County, WV compares

Among the 3,085 rated counties on this site, Wirt County, WV ranks 473 most-constrained nationally, and 2 of 55 within West Virginia. Wirt County covers 233 square miles and counts 4,924 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Meigs County, OH and Lander County, NV 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 Braxton County, WV and Wetzel County, WV. The full underlying dataset is downloadable directly, one row per county.