Septic suitability in Pointe Coupee Parish, LA
Very limited
Pointe Coupee Parish, LA's SSURGO dominant class comes back "Very limited", covering 87.3% of the county. That reading means a conventional system is a poor bet here - 87.3% of Pointe Coupee Parish lands in the strictest "very limited" bucket USDA uses. The county spans 555.495 square miles, home to 19,845 people.
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. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Pointe Coupee Parish: conventional vs. engineered cost
87.3% of Pointe Coupee Parish carrying a "Very limited" reading changes the realistic budget here. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.
Where this sits nationally
Among the 3,058 rated counties on this site, Pointe Coupee Parish, LA ranks 1,523 most-constrained nationally, and 29 of 61 within Louisiana.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems