Chouteau County, MT Shrink-Swell Risk

Chouteau County's SSURGO shrink-swell reading

Moderate

In Chouteau County, MT, 60.5% of the surveyed soil carries a "Moderate" shrink-swell rating, 4.49% linear extensibility on average. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

Before you rely on this for one address

Chouteau County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Chouteau County, MT

Chouteau 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.

How Chouteau County, MT compares

Among the 3,085 rated counties on this site, Chouteau County, MT ranks 390 most-constrained nationally, and 6 of 54 within Montana. The county spans 3,973 square miles, home to 5,880 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Harlan County, KY and Wagoner County, OK 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 Montana

Every county in Montana is on this site, including Petroleum County, MT and McCone County, MT. The full underlying dataset is downloadable directly, one row per county.