Septic soil in West Feliciana Parish, LA, by the numbers

Very limited

In West Feliciana Parish, LA, 74.8% of the surveyed land carries a "Very limited" rating for a standard septic drain field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 74.8% of the county. West Feliciana Parish covers 403.219 square miles and counts 15,155 residents.

This is a county figure, not a parcel figure

West Feliciana Parish's rating is an average across the whole county, not a promise about any one lot inside it. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in West Feliciana Parish.

System cost, conventional vs. engineered

Given West Feliciana Parish's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

How West Feliciana Parish, LA compares

Nationally, West Feliciana Parish, LA is the 2,294-most-constrained of 3,058 rated counties for septic soil. Within Louisiana alone it ranks 51 of 61.

Related guides

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