Sinkhole risk in Muskogee County, OK: 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: 2%
At or near the surface: 2%
Buried under cover: 0%

What to do about a house in Muskogee County

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

That works out to roughly 12 of Muskogee County's 811 square miles on soluble rock, 12 of them with the rock at or near the surface. With about 66,752 residents (82 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 517 map points about 1.3 miles apart, so a pocket smaller than that can be missed or overstated.

Counties around Muskogee County

The nearest county rated sinkhole country is Cherokee County, OK, about 29 miles northeast, close enough that the same rock may run under the county line. 2 of the 6 closest counties land in the same band; the ground changes quickly around here.

McIntosh County, OK 24 mi southwest · 0% at surface
Wagoner County, OK 25 mi north · 2% at surface
Cherokee County, OK 29 mi northeast · 66% at surface
Haskell County, OK 31 mi southeast · 0% at surface
Okmulgee County, OK 33 mi west · under 1% at surface
Sequoyah County, OK 36 mi east · 3% at surface

The rock underneath

The largest mapped soluble unit here is the Bloyd and Hale Formations (limestone), Early Pennsylvanian in age, covering about under 1% of the county. Next is the Pitkin + Fayetteville + Hindsville + Moorefield Formations at under 1%.

Against the rest of Oklahoma

Muskogee County ranks 62 of 77 in Oklahoma for soluble rock at the surface, and sits above 56% of US counties on that measure.