What Carver County, MN's soil rates for a septic system
Very limited
In Carver County, MN, 93% of the surveyed land carries a "Very limited" rating for a standard septic drain field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 93% of the county. Carver County covers 353.878 square miles and counts 112,628 residents.
This is a county figure, not a parcel figure
Two lots a mile apart in Carver County can carry different soil, even though they share one countywide rating. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Carver County.
System cost, conventional vs. engineered
Given Carver County's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.
Carver County's rank among Minnesota counties
Nationally, Carver County, MN is the 925-most-constrained of 3,058 rated counties for septic soil. Within Minnesota alone it ranks 32 of 86.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems