Sinkhole risk in Woodford 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%

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 528 square miles, under one square mile of Woodford County maps onto soluble rock. With about 38,290 residents (73 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 280 map points about 1.4 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 Woodford County

The nearest county rated sinkhole country is Jo Daviess County, IL, about 120 miles northwest. 6 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Marshall County, IL 18 mi north · 0% at surface
Tazewell County, IL 25 mi southwest · 0% at surface
McLean County, IL 28 mi southeast · 0% at surface
Putnam County, IL 29 mi north · 0% at surface
Peoria County, IL 29 mi west · 0% at surface
Livingston County, IL 35 mi east · 0% at surface

Against the rest of Illinois

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