Ohio County, KY: the USDA septic-suitability picture

Very limited

Ohio County, KY: USDA's soil survey calls 90.2% of the county "Very limited" for a septic leach field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 90.2% of Ohio County's land. For scale: 587.096 square miles and 23,933 people call Ohio County home.

Before you rely on this for one lot

This is a countywide, area-weighted figure across every soil survey map unit in Ohio County, KY - never a reading for one specific parcel. 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 Ohio County, KY

Ohio 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.

Ohio County's rank among Kentucky counties

Among the 3,058 rated counties on this site, Ohio County, KY ranks 1,247 most-constrained nationally, and 61 of 119 within Kentucky.

Before you act on this

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