Septic suitability in Calumet County, WI

Very limited

USDA puts Calumet County, WI at "Very limited" for septic absorption fields, the dominant reading across 75.9% of the county's soil. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. The county spans 318.25 square miles, home to 53,602 people.

What this number does and doesn't tell you

Two lots a mile apart in Calumet 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.

Calumet County: conventional vs. engineered cost

75.9% of Calumet 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.

Calumet County's rank among Wisconsin counties

Among the 3,058 rated counties on this site, Calumet County, WI ranks 2,239 most-constrained nationally, and 69 of 72 within Wisconsin.

Before you act on this

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