Pointe Coupee Parish, LA Shrink-Swell Risk
Shrink-swell potential in Pointe Coupee Parish, LA
High
Soil across 46.5% of Pointe Coupee Parish, LA comes back "High" in USDA's shrink-swell data, averaging 7.78% linear extensibility. This is enough movement to matter: a standard footing can hold up here, but usually only with real moisture management, not by default.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Pointe Coupee Parish, LA - 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).
Pointe Coupee Parish: the real numbers
Pointe Coupee Parish's soil reading is exactly the case where a report before construction, or before cracks widen, pays for itself. A geotechnical report runs $1,000-$5,000 (typically $2,700); an actual foundation repair, once cracking sets in, typically runs $5,000-$15,000 (around $10,000 typical) - roughly 4x the report.
Where this sits nationally
Among the 3,085 rated counties on this site, Pointe Coupee Parish, LA ranks 60 most-constrained nationally, and 24 of 64 within Louisiana. Pointe Coupee Parish, LA is 555 square miles with a population of 19,845.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Oconee County, GA and Marshall County, MN are worth a look for comparison.
How this reading is built, and its real limits · The warning signs of expansive-clay damage, explained
Elsewhere in Louisiana
Every county in Louisiana is on this site, including Avoyelles Parish, LA and Jefferson Parish, LA. The full underlying dataset is downloadable directly, one row per county.