Carbon County, WY Shrink-Swell Risk

Shrink-swell potential in Carbon County, WY

Low

Soil across 76% of Carbon County, WY comes back "Low" in USDA's shrink-swell data, averaging 2.38% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Carbon County, WY - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Carbon County will actually do.

Carbon County: the real numbers

Carbon 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.

Carbon County's rank among Wyoming counties

Among the 3,085 rated counties on this site, Carbon County, WY ranks 1,664 most-constrained nationally, and 18 of 23 within Wyoming. Carbon County, WY is 7,898 square miles with a population of 14,250.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Nobles County, MN and Obion County, TN 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 Wyoming

Every county in Wyoming is on this site, including Fremont County, WY and Sweetwater County, WY. The full underlying dataset is downloadable directly, one row per county.