What Leon County, FL's soil rates for a septic system

Very limited

61.4% of Leon County, FL's surveyed soil comes back "Very limited" in USDA's own SSURGO data, the county's dominant condition for a septic absorption field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 61.4% of the county. Leon County covers 668.428 square miles and counts 300,488 residents.

This is a county figure, not a parcel figure

This is a countywide, area-weighted figure across every soil survey map unit in Leon County, FL - never a reading for one specific parcel. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Leon County.

System cost, conventional vs. engineered

Given Leon County'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 Leon County, FL compares

Nationally, Leon County, FL is the 2,700-most-constrained of 3,058 rated counties for septic soil. Within Florida alone it ranks 61 of 65.

Further reading

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