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<br />RISK AND VULNERABILITY ASSESSMENT <br />Ramsey County Multijurisdictional Hazard Mitigation Plan | July 2012 4-39 <br />Land Use and Development Trends <br />As more and more people move into populated areas, all of Ramsey County is susceptible to outbreaks of <br />pandemics/epidemics. <br />Vulnerability <br />Epidemics/Pandemics <br />Frequency of Occurrence Likely <br />Warning Time More than 12 hours <br />Geographic Extent County-wide <br />Potential Impact Minor to Moderate <br />Multijurisdictional Concerns <br />No one area in Ramsey County is less susceptible than another from the effects of an epidemic/pandemic <br />incident. Of course, the more densely populated the area is, the greater threat of the spread of the <br />epidemic/pandemic. <br />Hazard Summary <br />Pandemics/epidemics pose a threat to all of Ramsey County. As part of a county effort, the staff from the <br />City of St. Paul/Ramsey County Public Health department participates in emergency preparedness <br />planning, drills, tabletop and functional exercises, and education and outreach together with local, state, <br />and federal government agencies as well as health care organizations, private businesses, and other <br />individuals from the community. <br />4.4 Technological Hazards <br />Technological hazards are distinct from natural hazards primarily in that they originate from human <br />activity. In contrast, while the risks presented by natural hazards may be increased or decreased as a result <br />of human activity, they are not inherently human-induced. The term “technological hazards” refers to the <br />origins of incidents that can arise from human activities such as the manufacturing, transportation, <br />storage, and use of hazardous materials. <br />4.4.1 Dam/Levee Failure <br />Hazard Identification <br />According to the State of Minnesota, dam hazard ranking is based on the National Inventory of Dams <br />(NID) classification located in Ramsey County. The NID ranks dams according to the potential loss of <br />life as well as the potential impacts on economic, environmental, and important community lifelines. <br />Hazard Profile <br />There have been no dam or levee failures in Ramsey County in the past. There have been no known <br />deaths, injuries, or property damage from dam or levee failures in the County. The effects on life and <br />property in the area could be significant if a dam were to fail because of the nature of the built <br />environment. <br />The largest lock and dam in Ramsey County, is Lock and Dam 1 located on the Mississippi River at mile <br />847.9. According to the U.S. Army Corps of Engineers, this dam is 56 feet wide by 400 feet long. The