Septic suitability in Edmunds County, SD

Very limited

Edmunds County, SD's SSURGO dominant class comes back "Very limited", covering 53% of the county. Practically, that rules out a simple gravity system for most of the county - 53% of it sits in USDA's most-constrained bucket. For scale: 1,125.98 square miles and 4,027 people call Edmunds County home.

Before you rely on this for one lot

USDA's survey covers the whole of Edmunds County, SD at once, not any single address. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Edmunds County, SD

Edmunds County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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.

Edmunds County's rank among South Dakota counties

Among the 3,058 rated counties on this site, Edmunds County, SD ranks 2,842 most-constrained nationally, and 61 of 66 within South Dakota.

Related guides

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