Sinkhole risk in Glascock County, GA: Pockets of it

Pockets of it

Soluble rock at the surface or under thin cover in part of the county.

On soluble rock: 91%
At or near the surface: 12%
Buried under cover: 79%

What to do about a house in Glascock County

Check the parcel against your state survey sinkhole map, and ask for an inspection if cracks, depressions or sticking doors show up.

That works out to roughly 131 of Glascock County's 144 square miles on soluble rock, 18 of them with the rock at or near the surface. With about 3,008 residents (21 per square mile), there is effectively nowhere in the county off the soluble rock, town or country. The figures come from 559 map points about 0.5 miles apart, so a pocket smaller than that can be missed or overstated.

Counties around Glascock County

The nearest county rated sinkhole country is Aiken County, SC, about 60 miles east. 3 of the 6 closest counties land in the same band; the ground changes quickly around here.

Warren County, GA 13 mi north · 3% at surface
Jefferson County, GA 16 mi southeast · 8% at surface
McDuffie County, GA 19 mi northeast · 22% at surface
Washington County, GA 21 mi southwest · 10% at surface
Hancock County, GA 23 mi west · under 1% at surface
Taliaferro County, GA 28 mi northwest · 0% at surface

What Glascock County is built on

The largest mapped soluble unit here is the Lower Tertiary-Cretaceous undifferentiated (sand), Lower Tertiary-Cretaceous in age, covering about 91% of the county.

Against the rest of Georgia

Glascock County ranks 43 of 159 in Georgia for soluble rock at the surface, and sits above 69% of US counties on that measure.