Garfield County, NE: the USDA septic-suitability picture
Very limited
USDA puts Garfield County, NE at "Very limited" for septic absorption fields, the dominant reading across 94.3% of the county's soil. That reading means a conventional system is a poor bet here - 94.3% of Garfield County lands in the strictest "very limited" bucket USDA uses. For scale: 569.356 square miles and 1,707 people call Garfield County home.
Before you rely on this for one lot
USDA's survey covers the whole of Garfield County, NE at once, not any single address. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).
Budgeting for a system in Garfield County, NE
Garfield County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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, Garfield County, NE ranks 750 most-constrained nationally, and 21 of 93 within Nebraska.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems