Sinkhole risk in Wabash County, IN: Mostly deep or small

Mostly deep or small

Some soluble rock, mostly deeply buried or in a small share of the county.

On soluble rock: 100%
At or near the surface: 0%
Buried under cover: 100%

What to do about a house in Wabash County

Sinkholes are uncommon here; watch for new depressions after heavy rain or leaking pipes.

That works out to roughly 413 of Wabash County's 413 square miles on soluble rock. With about 30,777 residents (75 per square mile), there is effectively nowhere in the county off the soluble rock, town or country. The figures come from 391 map points about 1.0 miles apart, so a pocket smaller than that can be missed or overstated.

Counties around Wabash County

The nearest county rated sinkhole country is Monroe County, IN, about 123 miles south. 6 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Miami County, IN 14 mi west · under 1% at surface
Huntington County, IN 17 mi east · under 1% at surface
Grant County, IN 24 mi south · 0% at surface
Whitley County, IN 25 mi northeast · 0% at surface
Kosciusko County, IN 28 mi north · 0% at surface
Fulton County, IN 28 mi northwest · 0% at surface

The rock underneath

The largest mapped soluble unit here is the Wabash Formation (limestone), Silurian in age, covering about 84% of the county. Next is the Muscatatuck Group at 7%.

Against the rest of Indiana

Wabash County ranks 88 of 92 in Indiana for soluble rock at the surface, and sits above 0% of US counties on that measure.