Septic soil in Wayne County, GA, by the numbers
Very limited
Soil across 98.6% of Wayne County, GA rates "Very limited" in USDA's septic-absorption-field interpretation. Practically, that rules out a simple gravity system for most of the county - 98.6% of it sits in USDA's most-constrained bucket. Wayne County covers 641.813 square miles and counts 32,132 residents.
This is a county figure, not a parcel figure
Nothing about Wayne County, GA's SSURGO figure applies to a specific address - it's a county-wide average. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Wayne County.
System cost, conventional vs. engineered
Given Wayne 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 Wayne County, GA compares
Nationally, Wayne County, GA is the 151-most-constrained of 3,058 rated counties for septic soil. Within Georgia alone it ranks 7 of 159.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems