Hooker County, NE: the USDA septic-suitability picture
Very limited
Hooker County, NE's SSURGO dominant class comes back "Very limited", covering 99.4% of the county. That reading means a conventional system is a poor bet here - 99.4% of Hooker County lands in the strictest "very limited" bucket USDA uses. The county spans 720.966 square miles, home to 698 people.
What this number does and doesn't tell you
USDA's survey covers the whole of Hooker 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.
Hooker County: conventional vs. engineered cost
99.4% of Hooker 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.
Hooker County's rank among Nebraska counties
Among the 3,058 rated counties on this site, Hooker County, NE ranks 43 most-constrained nationally, and 2 of 93 within Nebraska.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems