Septic suitability in Bon Homme County, SD

Very limited

Bon Homme County, SD: USDA's soil survey calls 87.7% of the county "Very limited" for a septic leach field. That reading means a conventional system is a poor bet here - 87.7% of Bon Homme County lands in the strictest "very limited" bucket USDA uses. The county spans 563.549 square miles, home to 7,071 people.

What this number does and doesn't tell you

Nothing about Bon Homme County, SD'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.

Bon Homme County: conventional vs. engineered cost

87.7% of Bon Homme 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 Bon Homme County, SD compares

Among the 3,058 rated counties on this site, Bon Homme County, SD ranks 1,494 most-constrained nationally, and 36 of 66 within South Dakota.

Related guides

How this rating is built, and its real limits · Conventional vs. engineered septic systems