Sinkhole risk in Louisa County, VA: 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 to do about a house in Louisa County

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

Across 495 square miles, under one square mile of Louisa County maps onto soluble rock. With about 42,109 residents (85 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 542 map points about 1.0 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 Louisa County

The nearest county rated sinkhole country is Waynesboro city, VA, about 52 miles west. 4 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Goochland County, VA 18 mi south · 0% at surface
Orange County, VA 19 mi north · 4% at surface
Fluvanna County, VA 20 mi southwest · 0% at surface
Spotsylvania County, VA 22 mi northeast · 5% at surface
Charlottesville city, VA 29 mi west · 0% at surface
Powhatan County, VA 29 mi south · 0% at surface

Against the rest of Virginia

Louisa County ranks 108 of 133 in Virginia for soluble rock at the surface, and sits above 0% of US counties on that measure.