Grant County, NE: the USDA septic-suitability picture

Very limited

Grant County, NE: USDA's soil survey calls 98.5% 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 776.696 square miles, home to 573 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Grant 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.

Grant County: conventional vs. engineered cost

98.5% of Grant 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.

Where this sits nationally

Among the 3,058 rated counties on this site, Grant County, NE ranks 182 most-constrained nationally, and 11 of 93 within Nebraska.

Related guides

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