Sinkhole risk in Dare County, NC: No soluble rock mapped

No soluble rock mapped

No soluble bedrock mapped.

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

What this means before you buy

No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.

Across 383 square miles, under one square mile of Dare County maps onto soluble rock. With about 38,183 residents (100 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 543 map points about 0.8 miles apart, so a pocket smaller than that can be missed or overstated.

Worth reading for this county: how these percentages are measured, and the warning signs that apply anywhere.

Counties around Dare County

The nearest county rated sinkhole country is Bertie County, NC, about 74 miles northwest. 4 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Hyde County, NC 26 mi southwest · 0% at surface
Tyrrell County, NC 29 mi northwest · 0% at surface
Washington County, NC 48 mi west · 11% at surface
Pasquotank County, NC 53 mi northwest · 0% at surface
Perquimans County, NC 53 mi northwest · 3% at surface
Currituck County, NC 54 mi north · 0% at surface

Against the rest of North Carolina

Dare County ranks 73 of 100 in North Carolina for soluble rock at the surface, and sits above 0% of US counties on that measure.