Griggs County, ND Shrink-Swell Risk

Shrink-swell potential in Griggs County, ND

Low

Soil across 78.8% of Griggs County, ND comes back "Low" in USDA's shrink-swell data, averaging 2.42% 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 this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Griggs County, ND - 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 Griggs County.

Griggs County: the real numbers

Griggs 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 Griggs County, ND compares

Among the 3,085 rated counties on this site, Griggs County, ND ranks 1,624 most-constrained nationally, and 44 of 53 within North Dakota. The county spans 709 square miles, home to 2,227 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Mason County, KY and Broadwater County, MT 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 North Dakota

Every county in North Dakota is on this site, including Pembina County, ND and Divide County, ND. The full underlying dataset is downloadable directly, one row per county.