Boone County, KY: the USDA septic-suitability picture

Very limited

Boone County, KY's SSURGO dominant class comes back "Very limited", covering 93.2% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 93.2% of Boone County's land. For scale: 246.273 square miles and 144,135 people call Boone County home.

Before you rely on this for one lot

Two lots a mile apart in Boone County can carry different soil, even though they share one countywide rating. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Boone County, KY

Boone County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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.

Boone County's rank among Kentucky counties

Among the 3,058 rated counties on this site, Boone County, KY ranks 896 most-constrained nationally, and 42 of 119 within Kentucky.

Related guides

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