Sinkhole risk in Union County, GA: 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 324 square miles, under one square mile of Union County maps onto soluble rock. With about 27,601 residents (85 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 250 map points about 1.1 miles apart, so a pocket smaller than that can be missed or overstated.

Worth reading for this county: how these percentages are measured, and the warning signs that apply anywhere.

Counties around Union County

The nearest county rated sinkhole country is Bradley County, TN, about 54 miles northwest. 5 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Towns County, GA 15 mi east · 0% at surface
Lumpkin County, GA 18 mi south · 0% at surface
Fannin County, GA 19 mi west · 0% at surface
White County, GA 19 mi southeast · 0% at surface
Clay County, NC 20 mi northeast · under 1% at surface
Cherokee County, NC 21 mi north · 4% at surface

Against the rest of Georgia

Union County ranks 152 of 159 in Georgia for soluble rock at the surface, and sits above 0% of US counties on that measure.