Hughes County, OK Shrink-Swell Risk
Hughes County, OK's soil, for shrink-swell risk
Low
Hughes County, OK: USDA's soil survey rates 68.2% of the county "Low" for shrink-swell potential (2.41% linear extensibility). That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.
What Hughes County's reading doesn't cover
Two lots a mile apart in Hughes 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 Hughes County, OK 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.
Hughes County's rank among Oklahoma counties
Nationally, Hughes County, OK is the 1,638-most-constrained of 3,085 rated counties for shrink-swell soil. Within Oklahoma alone it ranks 61 of 77. Hughes County covers 804 square miles and counts 13,371 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Luzerne County, PA and Elbert County, GA 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 Oklahoma
Every county in Oklahoma is on this site, including Pushmataha County, OK and Osage County, OK. The full underlying dataset is downloadable directly, one row per county.