Covington County, MS Shrink-Swell Risk
Covington County's SSURGO shrink-swell reading
Low
In Covington County, MS, 89.6% of the surveyed soil carries a "Low" shrink-swell rating, 1.62% 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
Covington County's reading is an average across the whole county, not a promise about any one lot inside it. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Covington County.
Budgeting for Covington County, MS
Covington 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.
Covington County's rank among Mississippi counties
Among the 3,085 rated counties on this site, Covington County, MS ranks 2,365 most-constrained nationally, and 67 of 82 within Mississippi. Covington County covers 414 square miles and counts 18,015 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Ouray County, CO and Paulding 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 Tunica County, MS and Pearl River County, MS. The full underlying dataset is downloadable directly, one row per county.