Wayne County, NY Shrink-Swell Risk
Shrink-swell potential in Wayne County, NY
Low
Soil across 95% of Wayne County, NY comes back "Low" in USDA's shrink-swell data, averaging 1.76% 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 Wayne County, NY - never a reading for one specific parcel. 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 Wayne County.
Wayne County: the real numbers
Wayne 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.
Wayne County's rank among New York counties
Among the 3,085 rated counties on this site, Wayne County, NY ranks 2,204 most-constrained nationally, and 16 of 62 within New York. Wayne County covers 604 square miles and counts 90,757 residents.
For contrast
Orleans Parish, LA carries this site's most-constrained reading. Passaic County, NJ and Steuben County, IN 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 Queens County, NY and Bronx County, NY. The full underlying dataset is downloadable directly, one row per county.