Lancaster County, SC Shrink-Swell Risk

Lancaster County's SSURGO shrink-swell reading

Low

In Lancaster County, SC, 95.6% of the surveyed soil carries a "Low" shrink-swell rating, 1.83% linear extensibility on average. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

Before you rely on this for one address

Lancaster County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Lancaster County, SC

Lancaster 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.

Lancaster County's rank among South Carolina counties

Among the 3,085 rated counties on this site, Lancaster County, SC ranks 2,134 most-constrained nationally, and 21 of 46 within South Carolina. Lancaster County, SC is 549 square miles with a population of 111,652.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Hill County, TX and Towner County, ND 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 Marlboro County, SC and Marion County, SC. The full underlying dataset is downloadable directly, one row per county.