Warren County, TN Shrink-Swell Risk

Shrink-swell potential in Warren County, TN

Low

Soil across 82.1% of Warren County, TN comes back "Low" in USDA's shrink-swell data, averaging 1.98% 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 Warren County, TN - never a reading for one specific parcel. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Warren County will actually do.

Warren County: the real numbers

Warren 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, Warren County, TN ranks 2,002 most-constrained nationally, and 52 of 95 within Tennessee. The county spans 433 square miles, home to 43,619 people.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Covington County, MS and Grand Isle County, VT 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 Tennessee

Every county in Tennessee is on this site, including Stewart County, TN and Marion County, TN. The full underlying dataset is downloadable directly, one row per county.