What is my chance of buying a home over a sinkhole?
By Greg Madsen and Richard McGarry
(McGarry and Madsen Home Inspection)
While sinkholes are not the big problem in Alachua County that they are in Florida counties farther south--such as Pinellas, Hernando, and Hillsborough--they do happen here occasionally. The limestone underlayment of much of this area, called “karst,” is the root of the problem. Deterioration of the underground karst due to percolation of acidic rainwater through the soil causes voids to form, which collapse slowly, or sometimes abruptly, like in the dramatic newspaper photos of homes swallowed up overnight by a sinkhole. The “Devil’s Millhopper” in northwest Gainesville is the largest sinkhole in Florida, and the state park’s stairs to the bottom is an enduring tourist attraction. Plus, many of the lakes in the area were formed by sinkholes. But the more prevalent underground def...
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