Canadian County, OK Shrink-Swell Risk
Canadian County's SSURGO shrink-swell reading
Moderate
In Canadian County, OK, 60.1% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.28% 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
Canadian County's reading is an average across the whole county, not a promise about any one lot inside it. 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 Canadian County.
Budgeting for Canadian County, OK
Canadian 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.
Canadian County's rank among Oklahoma counties
Among the 3,085 rated counties on this site, Canadian County, OK ranks 988 most-constrained nationally, and 39 of 77 within Oklahoma. The county spans 897 square miles, home to 181,760 people.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Norton County, KS and Bonner County, ID 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 Oklahoma
Every county in Oklahoma is on this site, including Stephens County, OK and Pushmataha County, OK. The full underlying dataset is downloadable directly, one row per county.