Attala County, MS Shrink-Swell Risk

Shrink-swell potential in Attala County, MS

Low

Soil across 96.3% of Attala County, MS 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 Attala County, MS - 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 Attala County will actually do.

Attala County: the real numbers

Attala 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, Attala County, MS ranks 2,453 most-constrained nationally, and 70 of 82 within Mississippi. The county spans 735 square miles, home to 17,222 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Walworth County, WI and Evans 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 Mississippi

Every county in Mississippi is on this site, including Lafayette County, MS and Rankin County, MS. The full underlying dataset is downloadable directly, one row per county.