Morgan County, OH: the USDA septic-suitability picture
Very limited
Morgan County, OH: USDA's soil survey calls 98.6% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 98.6% of the county. For scale: 416.426 square miles and 13,532 people call Morgan County home.
Before you rely on this for one lot
Two lots a mile apart in Morgan 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 Morgan County, OH
Morgan 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 Morgan County, OH compares
Among the 3,058 rated counties on this site, Morgan County, OH ranks 158 most-constrained nationally, and 19 of 87 within Ohio.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems