Sinkhole risk in Peoria County, IL: 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%

What this means before you buy

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

Across 619 square miles, under one square mile of Peoria County maps onto soluble rock. With about 179,630 residents (290 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 269 map points about 1.5 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 Peoria County

The nearest county rated sinkhole country is Jo Daviess County, IL, about 111 miles north. 5 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Stark County, IL 22 mi north · 0% at surface
Tazewell County, IL 23 mi southeast · 0% at surface
Knox County, IL 25 mi northwest · 0% at surface
Marshall County, IL 28 mi northeast · 0% at surface
Woodford County, IL 29 mi east · 0% at surface
Fulton County, IL 32 mi southwest · 0% at surface

Against the rest of Illinois

Peoria County ranks 82 of 102 in Illinois for soluble rock at the surface, and sits above 0% of US counties on that measure.