Newton County, IN Shrink-Swell Risk
What Newton County, IN's soil means for a foundation
Low
USDA's SSURGO data puts Newton County, IN's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.09% across 67.7% of the county's surveyed land. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.
This is a county figure, not a lot figure
USDA's survey covers the whole of Newton County, IN at once, not any single address. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Newton County will actually do.
Report cost vs. repair cost
With Newton County, IN rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.
Newton County's rank among Indiana counties
Nationally, Newton County, IN is the 1,903-most-constrained of 3,085 rated counties for shrink-swell soil. Within Indiana alone it ranks 80 of 90. The county spans 402 square miles, home to 14,131 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Mercer County, NJ and Campbell County, WY 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
More of Indiana
Every county in Indiana is on this site, including Benton County, IN and LaGrange County, IN. The full underlying dataset is downloadable directly, one row per county.