Webster Parish, LA Shrink-Swell Risk

Webster Parish, LA's soil, for shrink-swell risk

Low

Webster Parish, LA: USDA's soil survey rates 63.9% of the county "Low" for shrink-swell potential (2.85% linear extensibility). Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What Webster Parish's reading doesn't cover

Two lots a mile apart in Webster Parish can carry different soil, even though they share one countywide reading. 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 Webster Parish.

What it costs to find out, versus to ignore it

With Webster Parish, LA rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.

How Webster Parish, LA compares

Nationally, Webster Parish, LA is the 1,313-most-constrained of 3,085 rated counties for shrink-swell soil. Within Louisiana alone it ranks 54 of 64. Webster Parish covers 593 square miles and counts 35,184 residents.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Lawrence County, IL and Avery County, NC 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

More of Louisiana

Every county in Louisiana is on this site, including Winn Parish, LA and Plaquemines Parish, LA. The full underlying dataset is downloadable directly, one row per county.