Septic suitability in Douglas County, NV
Very limited
Douglas County, NV's SSURGO dominant class comes back "Very limited", covering 89.1% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 89.1% of Douglas County's land. The county spans 710.537 square miles, home to 49,564 people.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Douglas County, NV - never a reading for one specific parcel. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Douglas County: conventional vs. engineered cost
89.1% of Douglas 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.
How Douglas County, NV compares
Among the 3,058 rated counties on this site, Douglas County, NV ranks 1,365 most-constrained nationally, and 4 of 16 within Nevada.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems