Glacier County, MT Shrink-Swell Risk

Glacier County, MT's soil, for shrink-swell risk

Low

Glacier County, MT: USDA's soil survey rates 57.4% of the county "Low" for shrink-swell potential (2.79% 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 Glacier County's reading doesn't cover

Two lots a mile apart in Glacier County can carry different soil, even though they share one countywide reading. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

What it costs to find out, versus to ignore it

With Glacier County, MT rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.

Glacier County's rank among Montana counties

Nationally, Glacier County, MT is the 1,351-most-constrained of 3,085 rated counties for shrink-swell soil. Within Montana alone it ranks 35 of 54. Glacier County, MT is 2,995 square miles with a population of 13,503.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Santa Fe County, NM and Auglaize County, OH 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

More of Montana

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