Trimble County's SSURGO septic rating

Very limited

USDA puts Trimble County, KY at "Very limited" for septic absorption fields, the dominant reading across 94.4% of the county's soil. That reading means a conventional system is a poor bet here - 94.4% of Trimble County lands in the strictest "very limited" bucket USDA uses. For scale: 147.771 square miles and 8,591 people call Trimble County home.

Before you rely on this for one lot

Nothing about Trimble County, KY's SSURGO figure applies to a specific address - it's a county-wide average. 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 Trimble County, KY

Trimble 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.

Trimble County's rank among Kentucky counties

Among the 3,058 rated counties on this site, Trimble County, KY ranks 737 most-constrained nationally, and 35 of 119 within Kentucky.

Before you act on this

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