Custer County, NE: the USDA septic-suitability picture

Very limited

Custer County, NE: USDA's soil survey calls 78.2% 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 2,575.458 square miles, home to 10,487 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Custer County, NE at once, not any single address. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Custer County: conventional vs. engineered cost

78.2% of Custer 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 Custer County, NE compares

Among the 3,058 rated counties on this site, Custer County, NE ranks 2,131 most-constrained nationally, and 49 of 93 within Nebraska.

Further reading

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