Butler County's SSURGO septic rating
Very limited
Butler County, NE's SSURGO dominant class comes back "Very limited", covering 81.9% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 81.9% of Butler County's land. For scale: 584.789 square miles and 8,439 people call Butler County home.
Before you rely on this for one lot
Two lots a mile apart in Butler County can carry different soil, even though they share one countywide rating. 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 Butler County, NE
Butler 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.
Butler County's rank among Nebraska counties
Among the 3,058 rated counties on this site, Butler County, NE ranks 1,935 most-constrained nationally, and 43 of 93 within Nebraska.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems