Westmoreland County, PA Shrink-Swell Risk

What Westmoreland County, PA's soil means for a foundation

Low

USDA's SSURGO data puts Westmoreland County, PA's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 1.99% across 80.3% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

This is a county figure, not a lot figure

USDA's survey covers the whole of Westmoreland County, PA at once, not any single address. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Report cost vs. repair cost

With Westmoreland County, PA rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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 Westmoreland County, PA compares

Nationally, Westmoreland County, PA is the 1,991-most-constrained of 3,085 rated counties for shrink-swell soil. Within Pennsylvania alone it ranks 6 of 67. Westmoreland County covers 1,028 square miles and counts 350,935 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Preston County, WV and Wilbarger County, TX 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

More of Pennsylvania

Every county in Pennsylvania is on this site, including Wayne County, PA and Sullivan County, PA. The full underlying dataset is downloadable directly, one row per county.