Res 2024-045 approving the 2024 City of San Marcos Hazards Mitigation Action Plan (“HMAP”)

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SECTION 4: RISK OVERVIEW of return statements are defined in Table 4-5, and impact statements are defined in Table 4-6 below. Table 4-5. Frequency of Return Statements Highly Likely Event is probable in the next year. Likely Event is probable in the next three years. Occasional Event is probable in the next five years. Unlikely Event is probable in the next ten years. Table 4-6. Impact Statements Multiple deaths. Complete shutdown of facilities for 30 days Substantial or more. More than 50 percent of property destroyed or with major damage. Injuries and illnesses resulting in permanent disability. Major Complete shutdown of critical facilities for at least two weeks. More than 25 percent of property destroyed or with major damage. Injuries and illnesses do not result in permanent disability. Minor Complete shutdown of critical facilities for more than one week. More than 10 percent of property destroyed or with major damage. Injuries and illnesses are treatable with first aid. Shutdown Limited of critical facilities and services for 24 hours or less. Less than 10 percent of property destroyed or with major damage. Each of the hazard profiles includes a description of a general Vulnerability Assessment. Vulnerability is the total of assets that are subject to damages from a hazard, based on historic recorded damages. Assets in the region were inventoried and defined in hazard zones where appropriate. The total amount of damages, including property and crop damages, for each hazard is divided by the total number of assets (building value totals) in that community to determine the percentage of damage that each hazard can cause to the community. Risk and consequences will be addressed and covered within each hazard profile under the Vulnerability and Impact section as well as under the Assessment of Impact sections, where applicable. To better understand how future growth and development in the City of San Marcos might affect hazard vulnerability, it is useful to consider population growth, occupied and vacant land, the potential for future development in hazard areas, and current planning and growth management efforts. The city's vulnerability to hazards was considered based on recent development changes that occurred throughout the planning area. The population of the City of San Marcos has grown City of San Marcos I Hazard Mitigation Action Plan Update 2024 1 Page 8