Bon Homme County, SD Septic Rating

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 - it's already USDA's strictest "very limited" bucket, not a partial constraint. The county spans 564 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