Pulaski County's SSURGO septic rating
Very limited
USDA puts Pulaski County, KY at "Very limited" for septic absorption fields, the dominant reading across 71.3% of the county's soil. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 71.3% of Pulaski County's land. For scale: 658.106 square miles and 66,842 people call Pulaski County home.
Before you rely on this for one lot
USDA's survey covers the whole of Pulaski 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 Pulaski County, KY
Pulaski 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.
Pulaski County's rank among Kentucky counties
Among the 3,058 rated counties on this site, Pulaski County, KY ranks 2,428 most-constrained nationally, and 100 of 119 within Kentucky.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems