Leavenworth County, KS: the USDA septic-suitability picture

Very limited

Leavenworth County, KS: USDA's soil survey calls 95.1% of the county "Very limited" for a septic leach field. 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. The county spans 463.409 square miles, home to 84,670 people.

What this number does and doesn't tell you

Leavenworth County's rating is an average across the whole county, not a promise about any one lot inside it. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Leavenworth County: conventional vs. engineered cost

95.1% of Leavenworth 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.

How Leavenworth County, KS compares

Among the 3,058 rated counties on this site, Leavenworth County, KS ranks 657 most-constrained nationally, and 34 of 105 within Kansas.

Before you act on this

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