Septic soil in Ellsworth County, KS, by the numbers
Very limited
In Ellsworth County, KS, 77.5% of the surveyed land carries a "Very limited" rating for a standard septic drain field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 77.5% of Ellsworth County's land. Ellsworth County covers 715.575 square miles and counts 6,316 residents.
This is a county figure, not a parcel figure
Nothing about Ellsworth County, KS's SSURGO figure applies to a specific address - it's a county-wide average. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Ellsworth County.
System cost, conventional vs. engineered
Given Ellsworth 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.
Where this sits nationally
Nationally, Ellsworth County, KS is the 2,161-most-constrained of 3,058 rated counties for septic soil. Within Kansas alone it ranks 64 of 105.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems