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Action Plan City <br />of Saii M'YX <br />Central Texas on October 30th and 31st. Excessive rainfall resulted in widespread flash <br />flooding along the IH -35 corridor. Rainfall rates of five (5) to seven (7) inches per hour fell, from <br />northern San PWmrC0S through South Austin. Some rainfall iot8|o exceeded 10 inches. Record <br />flooding occurred with river and creek flooding being extensive. The Blanco River in Gan <br />Marcos crested at 42 feet creating another 11% flood event for the second time in 2015. Many <br />areas, especially San Marcos, compared this flooding to the record flooding of October 1998. <br />Figure 42075 Flood Event in San Marcos, TX <br />The City ofSan Marcos has the most Repetitive Loss payments inall ofHays County. This can <br />obviously be attributed tothe fact that the population in higher, but can also be related to <br />proximity to the Gan Marcos River, the number of Pre -FIRM homes that were built before the <br />Flood O8[n8ge Prevention Ordinance was 8dnotod' and also the occurrences of localized <br />flooding that occur outside of the Special Flood Hazard Area where elevation is not required. <br />According to community testimony, there are also a limited number of locations where mobility <br />issues could create issues during flood events. There is a daycare at risk due to flooding and <br />oCCeao to several group homes and other facilities vvhena people are non-ambulatory and <br />unable to seek higher ground oDtheir own. Areas with low water crossings that become <br />overtopped are also an issue for emergency services access and the ability for residents to <br />enter orexit their residences. <br />The City of San Marcos is a current participant in the National Flood Insurance Program (NFIP) <br />and has 247 tallied Repetitive Loss payments (as of September of 2016) with an average total <br />(building /k contents) payment of $37,560.76. Table 8 identifies the number ofstructures and <br />claimed costs associated with the program in San Marcos. A summary assessment of flood <br />hazard vulnerability and impacts to the community lifelines is presented in Table 10. <br />Table 8NYIP Repetitive Loss for San Marcos <br />Source: City mrSan Marcos Hazard Mitigation Plan <br />15 <br />