Septic suitability in Assumption Parish, LA

Very limited

Assumption Parish, LA's SSURGO dominant class comes back "Very limited", covering 89.9% of the county. That reading means a conventional system is a poor bet here - 89.9% of Assumption Parish lands in the strictest "very limited" bucket USDA uses. The county spans 344.018 square miles, home to 20,050 people.

What this number does and doesn't tell you

Nothing about Assumption Parish, LA's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Assumption Parish: conventional vs. engineered cost

89.9% of Assumption 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, Assumption Parish, LA ranks 1,279 most-constrained nationally, and 20 of 61 within Louisiana.

Before you act on this

How this rating is built, and its real limits · Conventional vs. engineered septic systems