Sinkhole risk in Upshur County, TX: Not karst, but voids possible

Not karst, but voids possible

No soluble bedrock; some pseudokarst (piping or lava-tube ground).

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

What this means before you buy

Not true karst, but soil piping or lava tubes can still open voids - mention it to an inspector.

Across 583 square miles, under one square mile of Upshur County maps onto soluble rock. With about 44,050 residents (76 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 316 map points about 1.4 miles apart, so a pocket smaller than that can be missed or overstated.

Counties around Upshur County

The nearest county rated sinkhole country is Cherokee County, OK, about 219 miles north. 3 of the 6 closest counties land in the same band; the ground changes quickly around here.

Camp County, TX 17 mi north · 0% at surface
Gregg County, TX 19 mi southeast · 0% at surface
Wood County, TX 26 mi west · 0% at surface
Morris County, TX 29 mi northeast · 0% at surface
Smith County, TX 31 mi southwest · 0% at surface
Titus County, TX 33 mi north · 10% at surface

Against the rest of Texas

Upshur County ranks 241 of 254 in Texas for soluble rock at the surface, and sits above 0% of US counties on that measure.