Res 2006-163 - Laserfiche WebLink

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Hit\!\ i. i:";..." urban drainage, debris flow and steam bank erosion, was classified as a countywide hazard but individual community flood hazards, mapping, and flood insurance claims are described in more detail in the following sections, tables and figures: Section 2.3 Flood Hazard Section 2.3.1 FEMA Map Modernization Initiative Section 2.3.3 Texas and National mapping Plans Section 2.3.4 Community Assistance Visits Section 2.3.6 NFIP Policies, Claims and Repetitive Loss Properties Section 2.3.7 Flood Events Section 2.3.8 Participation in the NFlP Section 2.3.9 High Hazard Dams (Dam Failure) Section 3.2 Structures that have Flood Insurance Claims Section 3.7 Impact of Disasters Section 3.8 Out of Date Flood Hazard Mapping Section 3.10 Floodplain Management Programs I Table 4 - Hays County Existing NFIP mapping Table 7 - High-Velocity Cross Sections in Hays County Table 8 - NFlP Participation in Hays County Table 9 - High Hazard Dams Figure 2.1 Flood Hazard Sector 1 Figure 2.2 Flood Hazard Sector 2 Figure 2.3 Flood Hazard Sector 3 Figure 2.4 Flood Hazard Sector 4 I Flooding and dam failure pose a hazard along streams that have been identified on Flood Insurance Rate Maps (FIRM's see Table 4) and downstream of High Hazard Dams (Table 9). The remaining major hazards are generally considered to be countywide hazards and affect all areas of the county equally. The City of San Marcos is the largest community in Hays County but included within the community boundaries are sparsely developed areas similar to Hays County in general. Eight (8) major hazards were identified by the Mitigation Planning Committee and six of the eight major hazards were classified as community-wide hazards: Flood (see Section 2.3.9 for description of risks from high hazard dams) Extreme Heat Wildfire (see Section 2.7 for hazard description - urban and rural) Drought High Wind Tornado The two major hazards that were identified as community specific are HAZMA T Incident and Transportation Accident and are considered to be a greater risk for communities and unincorporated areas located along the IH-35 corridor. As referenced in Table I, Hays County has experienced 69.5% growth from 1990 to 2000 therefore I most areas within the County are experiencing urbanization and subject to both wildfire and urban fire hazards. Other hazards such as drought, water supply shortage, tomado, high winds, hail, lightning, drought, ice/winter storms, poor air quality, and earthquake, are also classified as reduced impact Ha~'s County. Texas Mitigation Plan 31