Champaign County, OH Shrink-Swell Risk

Shrink-swell potential in Champaign County, OH

Moderate

Soil across 57.6% of Champaign County, OH comes back "Moderate" in USDA's shrink-swell data, averaging 3.01% 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 Champaign County, OH - 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 Champaign County will actually do.

Champaign County: the real numbers

Champaign 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.

Champaign County's rank among Ohio counties

Among the 3,085 rated counties on this site, Champaign County, OH ranks 1,191 most-constrained nationally, and 54 of 88 within Ohio. The county spans 429 square miles, home to 38,907 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Bandera County, TX and Cassia County, ID 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 Pike County, OH and Preble County, OH. The full underlying dataset is downloadable directly, one row per county.