Sinkhole risk in Alexander 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%
The next step for one property
No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.
Across 260 square miles, under one square mile of Alexander County maps onto soluble rock. With about 36,693 residents (141 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 300 map points about 0.9 miles apart, so a pocket smaller than that can be missed or overstated.
Read next: how these percentages are measured, and the warning signs that apply anywhere.
Counties around Alexander County
The nearest county rated sinkhole country is Smyth County, VA, about 67 miles north. 3 of the 6 closest counties land in the same band; the ground changes quickly around here.
- Catawba County, NC 18 mi south · 5% at surface
- Iredell County, NC 19 mi southeast · 0% at surface
- Caldwell County, NC 19 mi west · under 1% at surface
- Wilkes County, NC 20 mi north · 0% at surface
- Lincoln County, NC 30 mi south · 10% at surface
- Burke County, NC 32 mi west · 1% at surface
Against the rest of North Carolina
Alexander County ranks 65 of 100 in North Carolina for soluble rock at the surface, and sits above 0% of US counties on that measure.
- Duplin County 93%
- Jones County 92%
- Scotland County 91%
- Pender County 89%
- Robeson County 89%