Lewis County, NY Shrink-Swell Risk

Lewis County's SSURGO shrink-swell reading

Low

In Lewis County, NY, 96.3% of the surveyed soil carries a "Low" shrink-swell rating, 1.13% 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

Lewis 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 Lewis County.

Budgeting for Lewis County, NY

Lewis 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 Lewis County, NY compares

Among the 3,085 rated counties on this site, Lewis County, NY ranks 2,823 most-constrained nationally, and 43 of 62 within New York. Lewis County, NY is 1,276 square miles with a population of 26,570.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Webster County, NE and Decatur County, TN 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 New York

Every county in New York is on this site, including Bronx County, NY and Wyoming County, NY. The full underlying dataset is downloadable directly, one row per county.