Anoka County, MN: the USDA septic-suitability picture

Very limited

USDA puts Anoka County, MN at "Very limited" for septic absorption fields, the dominant reading across 88.1% of the county's soil. That reading means a conventional system is a poor bet here - 88.1% of Anoka County lands in the strictest "very limited" bucket USDA uses. The county spans 421.974 square miles, home to 376,840 people.

What this number does and doesn't tell you

Nothing about Anoka 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.

Anoka County: conventional vs. engineered cost

88.1% of Anoka 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.

Anoka County's rank among Minnesota counties

Among the 3,058 rated counties on this site, Anoka County, MN ranks 1,454 most-constrained nationally, and 55 of 86 within Minnesota.

Before you act on this

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