Oconee County, SC Shrink-Swell Risk

Oconee County's SSURGO shrink-swell reading

Low

In Oconee County, SC, 100% of the surveyed soil carries a "Low" shrink-swell rating, 1.65% linear extensibility on average. 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.

Before you rely on this for one address

Oconee 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 Oconee County.

Budgeting for Oconee County, SC

Oconee 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, Oconee County, SC ranks 2,332 most-constrained nationally, and 28 of 46 within South Carolina. Oconee County, SC is 627 square miles with a population of 82,475.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Monroe County, IL and Custer County, CO 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 South Carolina

Every county in South Carolina is on this site, including Dillon County, SC and Williamsburg County, SC. The full underlying dataset is downloadable directly, one row per county.