Pearl River County, MS Shrink-Swell Risk

Shrink-swell potential in Pearl River County, MS

Low

Soil across 83.3% of Pearl River County, MS comes back "Low" in USDA's shrink-swell data, averaging 1.8% 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 Pearl River County, MS - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Pearl River County: the real numbers

Pearl River 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, Pearl River County, MS ranks 2,171 most-constrained nationally, and 57 of 82 within Mississippi. The county spans 812 square miles, home to 59,030 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. George County, MS and Sac County, IA 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 Panola County, MS and Hancock County, MS. The full underlying dataset is downloadable directly, one row per county.