Bannock County, ID Shrink-Swell Risk

Bannock County's SSURGO shrink-swell reading

Low

In Bannock County, ID, 93.7% of the surveyed soil carries a "Low" shrink-swell rating, 1.72% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Bannock 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 Bannock County will actually do.

Budgeting for Bannock County, ID

Bannock 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.

Bannock County's rank among Idaho counties

Among the 3,085 rated counties on this site, Bannock County, ID ranks 2,256 most-constrained nationally, and 35 of 44 within Idaho. Bannock County, ID is 1,112 square miles with a population of 91,010.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Lynn County, TX and Gwinnett County, GA 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 Idaho

Every county in Idaho is on this site, including Jerome County, ID and Oneida County, ID. The full underlying dataset is downloadable directly, one row per county.