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SECTION 4: RISK OVERVIEW <br />There are no historical occurrences of land subsidence for the <br />planning area and it is located in an area where occurrences are <br />considered rare. There is no history of impact to critical <br />Land Subsidence structures, systems, populations or other community assets or <br />vital services as a result of land subsidence and none is <br />expected in the future. <br />DISASTER DECLARATION HISTORY <br />One method of understanding hazards that pose a risk to City of San Marcos is to identify past <br />hazards events that triggered federal or state disaster declarations. Federal and state declarations <br />may be granted when the severity and magnitude of an event surpasses the ability of the local <br />government to respond and recover. Disaster assistance is supplemental and sequential. Table <br />4-3 lists state and federal disaster declarations received by Hays County. Many of the disaster <br />events were regional or statewide. <br />Between 1953 and October 2023, Hays County received 26 Federal disaster declarations. Out of <br />the 26 federally declared disasters, a majority (7) were related to wildfire, followed by declarations <br />for flood (5), severe storms (4), hurricanes (3), winter weather (3), biological (2), tornado (1), and <br />drought (1). <br />In addition to the 26 federally declared disasters, there have been 27 U.S. Department of <br />Agriculture (USDA) Secretarial disaster designations between 2013 and 2023. The Secretary of <br />Agriculture is authorized to designate counties as disaster areas to make emergency loans <br />available to producers suffering losses in those counties and in counties that are contiguous to a <br />designated county.' Of the USDA designations, a majority were for drought (9), followed by those <br />for wind (4), wildfire (4), excessive heat (4), and insects (4). <br />Table 4-3. Disaster Declaration History in Hays County, 1953-2023 <br />1970 <br />Tornadoes, Windstorms Tornado <br />DR <br />DR -286 <br />& Flooding <br />1972 <br />Severe Storms & Flood <br />DR <br />DR -333 <br />Flooding <br />1991 <br />Severe Thunderstorms Flood <br />DR <br />DR -930 <br />1993 <br />Extreme Fire Hazard Drought <br />EM <br />EM -3113 <br />1997 <br />Severe Storms & Flood <br />DR <br />DR -1179 <br />Flooding <br />1998 <br />Tropical Storm Charley Severe Storm <br />DR <br />DR -1239 <br />1998 <br />TX -Flooding 10/18/98 Flood <br />DR <br />Dr -1257 <br />1 United States Department of Agriculture https://www.fsa.usda.gov/Assets/USDA-FSA- <br />Public/usdafiles/FactSheets/emergency_disaster <br />designation_declaration_process-factsheet.pdf <br />City of San Marcos I Hazard Mitigation Action Plan Update 2024 <br />1 Page 4 <br />