Septic soil in Brevard County, FL, by the numbers

Very limited

Soil across 74.2% of Brevard County, FL rates "Very limited" in USDA's septic-absorption-field interpretation. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 74.2% of the county. Brevard County covers 1,014.973 square miles and counts 658,447 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Brevard County, FL at once, not any single address. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Brevard County.

System cost, conventional vs. engineered

Given Brevard 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.

Brevard County's rank among Florida counties

Nationally, Brevard County, FL is the 2,321-most-constrained of 3,058 rated counties for septic soil. Within Florida alone it ranks 56 of 65.

Further reading

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