Anoka County, MN Shrink-Swell Risk

Shrink-swell potential in Anoka County, MN

Low

Soil across 97.1% of Anoka County, MN comes back "Low" in USDA's shrink-swell data, averaging 0.88% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Anoka County, MN - never a reading for one specific parcel. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Anoka County.

Anoka County: the real numbers

Anoka County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

Anoka County's rank among Minnesota counties

Among the 3,085 rated counties on this site, Anoka County, MN ranks 2,947 most-constrained nationally, and 84 of 87 within Minnesota. The county spans 422 square miles, home to 376,840 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Natrona County, WY and Huron County, MI are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in Minnesota

Every county in Minnesota is on this site, including Wright County, MN and Nobles County, MN. The full underlying dataset is downloadable directly, one row per county.