How much does sinkhole damage cost each year in the United States?

Sinkhole damages over the last 15 years cost on average at least $300 million per year. Since there is no national tracking of sinkhole damage costs, this estimate is probably much lower than the actual cost.

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Image: Various Karst Features Along Peace River, Fl
January 1, 2008

Various Karst Features Along Peace River, Fl

Monitoring levels at Dover Sink.

Image: Various Karst Features Along Peace River, Fl
January 1, 2008

Various Karst Features Along Peace River, Fl

Observing the small amount of flow going into Dover Sink.

Image: Various Karst Features Along Peace River, Fl
May 14, 2002

Various Karst Features Along Peace River, Fl

Wabash Sink is one of several karst features part of the Wabash Complex.

Image: Winter Park Florida Sinkhole of 1981
May 9, 1981

Winter Park Florida Sinkhole of 1981

Photo 6 of 15: Sinkhole chimney at approximately 12 noon. View to south across the sinkhole.

Image: Winter Park Florida Sinkhole of 1981
May 9, 1981

Winter Park Florida Sinkhole of 1981

Photo 5 of 15: House in a sinkhole. View to east across the sinkhole.

Image: Winter Park Florida Sinkhole of 1981
May 9, 1981

Winter Park Florida Sinkhole of 1981

Photo 4 of 15: House within the sinkhole. View to north across the sinkhole.

Image: Winter Park Florida Sinkhole of 1981
May 9, 1981

Winter Park Florida Sinkhole of 1981

Photo 3 of 15: Community pool being undercut by a sinkhole. View to west across the sinkhole.

Image: Prairie Pothole Region

Prairie Pothole Region

Prairie Pothole Region landscape showing high wetland density.

Image: Sinkhole in Frederick, Maryland

Sinkhole in Frederick, Maryland

Cover-collapse sinkhole in limestone near Frederick, Maryland (September 2003). Many sinkholes occur along highways where rainwater runoff is concentrated into storm drains and ditches increasing the rate of sinkhole development (note the sewer drain pipe beneath roadway).

Image shows a cave diver in a flooded cave

Cave Diver in a Flooded Cave

Cave passage and diver within a section of the Ox Bel Ha cave system where the current study was conducted. The guideline seen alongside the diver that provides a continuous route to the surface is one of many safety standard the divers follow. Photograph © HP Hartmann.