Woodford County, KY's soil, for a septic absorption field

Very limited

Soil across 76.3% of Woodford County, KY rates "Very limited" in USDA's septic-absorption-field interpretation. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. Woodford County covers 189.573 square miles and counts 27,728 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Woodford County, KY at once, not any single address. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Woodford County.

System cost, conventional vs. engineered

Given Woodford County's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

Woodford County's rank among Kentucky counties

Nationally, Woodford County, KY is the 2,216-most-constrained of 3,058 rated counties for septic soil. Within Kentucky alone it ranks 95 of 119.

Further reading

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