Sinkhole risk in Nassau County, NY: 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 Nassau County
No soluble bedrock is mapped here, so natural sinkholes are unlikely. Collapses from broken pipes or old mines are a separate risk.
Across 285 square miles, under one square mile of Nassau County maps onto soluble rock. With about 1,392,438 residents (4,894 per square mile), most of the county is built up, so a mapped unit is likely to sit under somebody's street. The figures come from 309 map points about 1.0 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 Nassau County
The nearest county rated sinkhole country is Union County, PA, about 182 miles west. 4 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.
- Queens County, NY 14 mi west · 0% at surface
- Bronx County, NY 16 mi northwest · 0% at surface
- Kings County, NY 20 mi west · 0% at surface
- New York County, NY 20 mi west · under 1% at surface
- Hudson County, NJ 26 mi west · 0% at surface
- Bergen County, NJ 30 mi northwest · 0% at surface
Against the rest of New York
Nassau County ranks 33 of 62 in New York for soluble rock at the surface, and sits above 0% of US counties on that measure.
- New York County under 1%
- St. Lawrence County under 1%
- Saratoga County under 1%
- Cayuga County under 1%
- Clinton County under 1%