Septic suitability in Howell County, MO
Very limited
USDA puts Howell County, MO at "Very limited" for septic absorption fields, the dominant reading across 63.2% of the county's soil. That reading means a conventional system is a poor bet here - 63.2% of Howell County lands in the strictest "very limited" bucket USDA uses. The county spans 927.177 square miles, home to 40,762 people.
What this number does and doesn't tell you
Nothing about Howell County, MO'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.
Howell County: conventional vs. engineered cost
63.2% of Howell 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.
Where this sits nationally
Among the 3,058 rated counties on this site, Howell County, MO ranks 2,653 most-constrained nationally, and 111 of 114 within Missouri.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems