Yadkin County's SSURGO septic rating

Somewhat limited

Yadkin County, NC's SSURGO dominant class comes back "Somewhat limited", covering 59.7% of the county. A conventional system can still work here with design changes - a larger field, added fill, or a shallower layout - but it isn't guaranteed. For scale: 334.943 square miles and 37,995 people call Yadkin County home.

Before you rely on this for one lot

Nothing about Yadkin County, NC's SSURGO figure applies to a specific address - it's a county-wide average. 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 Yadkin County, NC

Yadkin 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, Yadkin County, NC ranks 2,967 most-constrained nationally, and 90 of 97 within North Carolina.

Further reading

How this rating is built, and its real limits · How a percolation test actually works