Septic soil in Frontier County, NE, by the numbers

Very limited

64.5% of Frontier County, NE's surveyed soil comes back "Very limited" in USDA's own SSURGO data, the county's dominant condition for a septic absorption field. Practically, that rules out a simple gravity system for most of the county - 64.5% of it sits in USDA's most-constrained bucket. Frontier County covers 974.655 square miles and counts 2,536 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Frontier County, NE 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 Frontier County.

System cost, conventional vs. engineered

Given Frontier 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.

How Frontier County, NE compares

Nationally, Frontier County, NE is the 2,626-most-constrained of 3,058 rated counties for septic soil. Within Nebraska alone it ranks 73 of 93.

Further reading

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