Nelson County, ND Shrink-Swell Risk

Nelson County's SSURGO shrink-swell reading

Moderate

In Nelson County, ND, 63.5% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.13% linear extensibility on average. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

Before you rely on this for one address

Nelson County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Nelson County will actually do.

Budgeting for Nelson County, ND

Nelson 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Nelson County, ND ranks 1,095 most-constrained nationally, and 23 of 53 within North Dakota. The county spans 982 square miles, home to 3,007 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Yalobusha County, MS and Beadle County, SD 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 Griggs County, ND and Traill County, ND. The full underlying dataset is downloadable directly, one row per county.