Sinkhole risk in Benton County, MN: 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 408 square miles, under one square mile of Benton County maps onto soluble rock. With about 41,881 residents (103 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 306 map points about 1.2 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 Benton County

The nearest county rated sinkhole country is Vernon County, WI, about 213 miles southeast. 6 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Sherburne County, MN 20 mi southeast · 0% at surface
Mille Lacs County, MN 24 mi northeast · 0% at surface
Morrison County, MN 25 mi northwest · 0% at surface
Stearns County, MN 31 mi west · 0% at surface
Isanti County, MN 35 mi east · 0% at surface
Wright County, MN 36 mi south · 0% at surface

Against the rest of Minnesota

Benton County ranks 12 of 87 in Minnesota for soluble rock at the surface, and sits above 0% of US counties on that measure.