Septic suitability in Le Sueur County, MN

Very limited

USDA puts Le Sueur County, MN at "Very limited" for septic absorption fields, the dominant reading across 91.6% of the county's soil. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 91.6% of the county. The county spans 448.756 square miles, home to 29,458 people.

What this number does and doesn't tell you

Nothing about Le Sueur County, MN'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.

Le Sueur County: conventional vs. engineered cost

91.6% of Le Sueur 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 Le Sueur County, MN compares

Among the 3,058 rated counties on this site, Le Sueur County, MN ranks 1,098 most-constrained nationally, and 35 of 86 within Minnesota.

Further reading

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