What Seward County, KS's soil rates for a septic system

Very limited

In Seward County, KS, 44.5% 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 44.5% of Seward County's land. Seward County covers 639.653 square miles and counts 21,276 residents.

This is a county figure, not a parcel figure

Two lots a mile apart in Seward County can carry different soil, even though they share one countywide rating. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Seward County.

System cost, conventional vs. engineered

Given Seward 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, Seward County, KS is the 2,907-most-constrained of 3,058 rated counties for septic soil. Within Kansas alone it ranks 93 of 105.

Further reading

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