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Local mitigation strategy (LMS) - Volusia County Government

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SECTION 5: HAZARD PROFILESTABLE 5.17: Historical Sinkholes in <strong>Volusia</strong> <strong>County</strong>LOCATIONDATESIZE (feet)Length Width DepthPierson 12/26/1983 50.00 50.00 35.00Pierson 12/26/1983 10.00 10.00 0.33Pierson 12/26/1983 15.00 15.00 0.60Pierson 12/26/1983 25.00 25.00 20.00Orange City 4/24/1984 7.00 7.00 6.00Seville 1/21/1985 60.00 60.00 25.00Pierson 1/21/1985 20.00 20.00 3.00Pierson 1/21/1985 10.50 12.75 4.00Pierson 1/21/1985 62.00 62.00 15.00Pierson 1/21/1985 53.00 50.00 12.00Pierson 1/21/1985 20.00 26.00 2.00Orange City 10/13/1985 35.00 25.00 0.13DETAILSVery cold at this time, pumping forfreeze protection.Very cold at this time, pumping forfreeze protection.Very cold at this time, pumping forfreeze protection.Very cold at this time, pumping forfreeze protection. Occurred next to afernery.Approximately 200 yards from ST 17-92, in the center of the west boundlane.Many wells in the area went dry. Sinkin the northeast corner of Crystal Lakewhich has been dry for months. Sixdays later, the sink was filled withwater, but no rain. Heavy freezeprotection pumping at this time.Six Sinks in the area. Heavy freezeprotection pumping at this time.Six Sinks in the area. Heavy freezeprotection pumping at this time.Six Sinks in the area. Heavy freezeprotection pumping at this time.Six Sinks in the area. Heavy freezeprotection pumping at this time.Six Sinks in the area. Heavy freezeprotection pumping at this time.Settlement causing cracks anddistortion to house. The sink iscompletely under the house. Cementpressure grouting will be performedJammal and Associates report.Pierson 1/29/1986 23.20 21.70 7.00 Near other sinkholes.Deland 2/1/1986 5.00 4.00 4.50Port Orange 4/3/1987 10.00 10.00 1.00 NoneThis sinkhole is on the slope of LakeLouise.Orange City 5/19/1987 95.00 95.00 1.00 Reactivation of ancient sink.Pierson 5/27/1987 48.00 28.00 10.00Pierson 5/29/1987 0.00 0.00 3.00 NoneSinkhole on divide between stonepond and unnamed pond. .<strong>Volusia</strong> <strong>County</strong> Multi-jurisdictional <strong>Local</strong> Mitigation StrategyFebruary 20105:59

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