Septic suitability in Powell County, KY
Very limited
USDA puts Powell County, KY at "Very limited" for septic absorption fields, the dominant reading across 93.1% of the county's soil. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 93.1% of the county. The county spans 178.962 square miles, home to 12,928 people.
What this number does and doesn't tell you
USDA's survey covers the whole of Powell County, KY at once, not any single address. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Powell County: conventional vs. engineered cost
93.1% of Powell County carrying a "Very limited" reading changes the realistic budget here. 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.
Where this sits nationally
Among the 3,058 rated counties on this site, Powell County, KY ranks 915 most-constrained nationally, and 45 of 119 within Kentucky.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems