Sinkhole risk in Knox County, IN: No soluble rock mapped

No soluble rock mapped

No soluble bedrock mapped.

On soluble rock: 0%
At or near the surface: 0%
Buried under cover: 0%

The next step for one property

No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.

Across 516 square miles, under one square mile of Knox County maps onto soluble rock. With about 35,872 residents (70 per square mile), homes are spread across towns and farmland, and a mapped unit may or may not reach the developed parts. The figures come from 456 map points about 1.1 miles apart, so a pocket smaller than that can be missed or overstated.

Worth reading for this county: why gypsum and salt move faster than limestone, and how these percentages are measured.

Counties around Knox County

The nearest county rated sinkhole country is Orange County, IN, about 51 miles east. 6 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Lawrence County, IL 17 mi west · 0% at surface
Daviess County, IN 19 mi east · 0% at surface
Pike County, IN 22 mi southeast · 0% at surface
Gibson County, IN 27 mi south · 0% at surface
Sullivan County, IN 28 mi north · 0% at surface
Wabash County, IL 28 mi southwest · 0% at surface

Against the rest of Indiana

Knox County ranks 60 of 92 in Indiana for soluble rock at the surface, and sits above 0% of US counties on that measure.