Sinkhole risk in Baker County, GA: Sinkhole country

Sinkhole country

Soluble rock at or near the surface across much of the county.

On soluble rock: 93%
At or near the surface: 93%
Buried under cover: 0%

The next step for one property

Get a sinkhole or geotechnical inspection before buying, building or adding weight to a foundation.

That works out to roughly 317 of Baker County's 342 square miles on soluble rock, 317 of them with the rock at or near the surface. With about 2,732 residents (8 per square mile), there is effectively nowhere in the county off the soluble rock, town or country. The figures come from 483 map points about 0.8 miles apart, so a pocket smaller than that can be missed or overstated.

Counties around Baker County

The closest county with no soluble rock mapped is Randolph County, GA, about 35 miles northwest. 5 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Mitchell County, GA 17 mi east · 66% at surface
Calhoun County, GA 17 mi northwest · 40% at surface
Miller County, GA 20 mi southwest · 100% at surface
Dougherty County, GA 21 mi northeast · 90% at surface
Early County, GA 27 mi west · 81% at surface
Decatur County, GA 31 mi south · 55% at surface

The rock underneath

The largest mapped soluble unit here is the Ocala Limestone (limestone), Eocene in age, covering about 93% of the county.

Against the rest of Georgia

Baker County ranks 2 of 159 in Georgia for soluble rock at the surface, and sits above 97% of US counties on that measure.