Montour County, PA Shrink-Swell Risk

Shrink-swell potential in Montour County, PA

Low

Soil across 82.1% of Montour County, PA comes back "Low" in USDA's shrink-swell data, averaging 1.75% 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 Montour County, PA - 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 Montour County.

Montour County: the real numbers

Montour 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, Montour County, PA ranks 2,220 most-constrained nationally, and 17 of 67 within Pennsylvania. Montour County covers 130 square miles and counts 18,115 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Sacramento County, CA and Calvert County, MD 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 Pennsylvania

Every county in Pennsylvania is on this site, including Carbon County, PA and Erie County, PA. The full underlying dataset is downloadable directly, one row per county.