Some of the documents on this page require Adobe Acrobat Reader . More information . Sinkholes are a common naturally occurring geologic phenomenon and one of the predominant land forms in Florida. Many of the lakes in Florida are relic sinkholes. Sinkholes can be classified as geologic hazards sometimes causing extensive damage to structures and roads resulting in costly repairs.
Sinkholes are depressions or holes in the land surface that occur throughout west central Florida.
They can be shallow or deep, small or large, but all are a result of the dissolving of the underlying limestone. Hydrologic conditions, including lack of rainfall, lowered water levels, or, conversely, excessive rainfall in a short period of time, can all contribute to sinkhole development. More facts about sinkholes can be found in the District's Sinkhole Brochure. The Southwest Florida Water Management District tracks reported sinkholes and estimates that 71 sinkhole incidents have occurred district-wide since January 1998. The District's sinkhole maps and data can be viewed or downloaded from Data On Line .