SinkholeOdds

Sinkhole risk in Titus County, TX: Mostly deep or small

Mostly deep or small

Some soluble rock, mostly deeply buried or in a small share of the county.

On soluble rock
10%
At or near the surface
10%
Buried under cover
0%

What this means before you buy

Sinkholes are uncommon here; watch for new depressions after heavy rain or leaking pipes.

That works out to roughly 39 of Titus County's 406 square miles on soluble rock, 39 of them with the rock at or near the surface. With about 31,547 residents (78 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 326 map points about 1.1 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 Titus County

The nearest county rated sinkhole country is Cherokee County, OK, about 186 miles north. 1 of the 6 closest counties land in the same band; the ground changes quickly around here.

The rock underneath

The largest mapped soluble unit here is the Midway Group, undivided (fine-grained mixed clastic), Paleocene in age, covering about 10% of the county.

The county also lies over the Gulf Coast salt domes, a deep salt or gypsum basin. Deep beds rarely cause surface collapse on their own, but wells and mining into them have.

Against the rest of Texas

Titus County ranks 116 of 254 in Texas for soluble rock at the surface, and sits above 68% of US counties on that measure.