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

Very limited

In Harper County, KS, 74.6% of the surveyed land carries a "Very limited" rating for a standard septic drain field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 74.6% of the county. Harper County covers 801.274 square miles and counts 5,413 residents.

This is a county figure, not a parcel figure

Harper County's rating is an average across the whole county, not a promise about any one lot inside it. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Harper County.

System cost, conventional vs. engineered

Given Harper 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.

Harper County's rank among Kansas counties

Nationally, Harper County, KS is the 2,307-most-constrained of 3,058 rated counties for septic soil. Within Kansas alone it ranks 72 of 105.

Further reading

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