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sinkholes

One of 36 ground depressions in the Lakeside Woodlands Community in Pasco County sits among a number of homes.
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There are now 36 ground depressions in the Lakeside Woodlands Community in Pasco County -- that's up from 20 holes on Tuesday. 

Pasco Media Relations & Communications

Several large holes in the ground have opened in a Pasco County neighborhood. The depressions may be forming now because the area had consecutive days of heavy rainfall, officials said.

The number of sinkholes in Florida has surged since Hurricane Irma.

Some 400 sinkholes have been reported statewide since Hurricane Irma hit in September.

Anthony Randazzo of the engineering and geology firm Geohazards says water flowing underground during such heavy rain events brings with it clay and sand.

“Once you begin to do this you promote a lack of support for the ground surface to be able to hold or support a structure,” said Randazzo.