Drew County's SSURGO septic rating
Very limited
USDA puts Drew County, AR at "Very limited" for septic absorption fields, the dominant reading across 93.8% of the county's soil. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. The county spans 828.667 square miles, home to 16,935 people.
What this number does and doesn't tell you
Nothing about Drew County, AR's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Drew County: conventional vs. engineered cost
93.8% of Drew 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.
Drew County's rank among Arkansas counties
Among the 3,058 rated counties on this site, Drew County, AR ranks 826 most-constrained nationally, and 21 of 75 within Arkansas.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems