McCracken County's SSURGO septic rating

Very limited

McCracken County, KY: USDA's soil survey calls 83.5% of the county "Very limited" for a septic leach field. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. For scale: 248.796 square miles and 67,550 people call McCracken County home.

Before you rely on this for one lot

USDA's survey covers the whole of McCracken County, KY at once, not any single address. 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 McCracken County, KY

McCracken 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.

How McCracken County, KY compares

Among the 3,058 rated counties on this site, McCracken County, KY ranks 1,820 most-constrained nationally, and 83 of 119 within Kentucky.

Related guides

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