Local mitigation strategy (LMS) - Volusia County Government

SECTION 5: HAZARD PROFILESTABLE 5.17: Historical Sinkholes in Volusia CountyLOCATIONDATESIZE (feet)Length Width DepthPierson 12/12/1973 60.00 60.00 0.00Pierson 12/13/1973 100.00 100.00 40.00Pierson 12/17/1973 10.00 10.00 2.00 NonePierson 12/15/1975 25.00 25.00 20.00Pierson 1/10/1976 3.00 3.00 1.00Pierson 12/1/1976 15.00 15.00 0.00 NonePierson 1/15/1977 0.00 0.00 0.00 NoneDETAILSThere are many small lakes in the area.The sinkhole was adjacent.Depth varies from 20’ to 40’. Ithappened during pumping for freezeprotection.It happened during pumping for freezeprotection.It happened during pumping for freezeprotection.Pierson 1/19/1977 30.00 30.00 12.00 Near other small sinks and lakes.Orange City 4/10/1977 70.00 70.00 50.00 Near 501Pierson 1/3/1979 39.00 32.00 0.00 NonePierson 1/9/1979 22.00 27.00 7.00 NonePierson 1/9/1979 19.00 16.00 3.00 NoneDeland 4/17/1979 6.00 6.00 10.00 NoneDeland 1979 9.00 9.00 4.00 NoneDeland 7/16/1981 13.00 13.00 18.00 NoneDeland 10/27/1981 3.00 3.00 8.00 NonePierson 12/15/1981 50.00 50.00 20.00 A sink also occurred here in 1973.Orange City 1/9/1982 2.00 2.00 2.00 NoneDebary 4/9/1982 20.00 20.00 15.00 NoneDeland 4/11/1982 7.25 6.50 3.33 NoneDeland 4/14/1982 3.00 3.00 1.00 Occurred at the national guard armory.Lake Helen 7/25/1982 4.00 3.00 3.00 NoneOrange City 10/4/1982 12.00 12.00 6.00 NoneHolly Hills 4/7/1983 20.00 0.00 15.00 NoneNew SmyrnaBeach5/28/1983 5.00 0.00 7.00Pierson 12/26/1983 130.00 100.00 35.00 NoneThere are multiple holes in the areavarying from 1 to 5 feet in diameterand 2 to 7 feet deep.Volusia County Multi-jurisdictional Local Mitigation StrategyFebruary 20105:58