Wheeler County's SSURGO septic rating

Very limited

Wheeler County, OR's SSURGO dominant class comes back "Very limited", covering 99.3% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 99.3% of the county. For scale: 1,716.021 square miles and 1,456 people call Wheeler County home.

Before you rely on this for one lot

Two lots a mile apart in Wheeler 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 Wheeler County, OR

Wheeler 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, Wheeler County, OR ranks 60 most-constrained nationally, and 2 of 36 within Oregon.

Further reading

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