Septic suitability in Dent County, MO
Very limited
Dent County, MO's SSURGO dominant class comes back "Very limited", covering 91.3% of the county. Practically, that rules out a simple gravity system for most of the county - 91.3% of it sits in USDA's most-constrained bucket. The county spans 752.761 square miles, home to 14,721 people.
What this number does and doesn't tell you
Two lots a mile apart in Dent County can carry different soil, even though they share one countywide rating. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Dent County: conventional vs. engineered cost
91.3% of Dent 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 Dent County, MO compares
Among the 3,058 rated counties on this site, Dent County, MO ranks 1,139 most-constrained nationally, and 75 of 114 within Missouri.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems