Williams County, OH Shrink-Swell Risk

Shrink-swell potential in Williams County, OH

Moderate

Soil across 73.1% of Williams County, OH comes back "Moderate" in USDA's shrink-swell data, averaging 3.94% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Williams County, OH - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Williams County: the real numbers

Williams 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 Williams County, OH compares

Among the 3,085 rated counties on this site, Williams County, OH ranks 603 most-constrained nationally, and 21 of 88 within Ohio. Williams County, OH is 421 square miles with a population of 36,554.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Rockwall County, TX and Geauga County, OH 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 Ohio

Every county in Ohio is on this site, including Warren County, OH and Meigs County, OH. The full underlying dataset is downloadable directly, one row per county.