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; ~ 3.0 Assess the Problem (CRS Activity 511.5.) I 3.1 Discussion of the Number and Type of Buildings Subject to the Hazards. The Hays County Mitigation Planning Committee divided Hays County into the four Citizen Emergency Response Team (CERT) Sectors. There are 44,000 estimated residences in Hays County based on an average of 2,5 persons per residence. GIS Mapping showing CERT Planning Sectors and critical facilities is included in Attachments "B" and "C". The Vulnerability and Risk Assessment Worksheets, included in Attachment "D" are separated by hazard and sector and include a breakdown of building type and degree of risk. The Mitigation Planning Committee ranked the hazards in each sector as Very High, High, Limited, or Minimal. A listing of Critical Facilities and a breakdown of population, building stock and critical facilities in each CERT Sector is included in Attachment "C", Existine and future development and hazard exposure As described in the 2006-2007 Texas Almanac the entire Hays County population is estimated to be ] 19,359. As described in the Plan Introduction, all critical facilities and infrastructure are exposed to county-wide hazards such as Tornado, Drought, Extreme Heat, and High Winds. Transportation Accidents (and resulting HAZMA T Incidents) are more likely along or near ill 35 and parallel rail and pipeline routes that pass through the cities of San Marcos, Kyle, Mountain City and Buda. This hazard is only slightly reduced for Dripping Springs, Wimberley, Hays, Wood creek, Uhland and Niederwald which are located on state highway and farm or ranch roads in Hays County. Since future development trends are along these I major transportation corridors, Transportation Accident (and HAZMAT Incident) hazard impacts the majority of the existing and future population, critical facilities and infrastructure. Projecting the Hays County population as described in Table] provides population data to the year 2020 with future growth predicted along the IH 35 corridor, expansion of the City of Austin population into Hays County, expansion of the City of San Marcos' boundaries and extra territorial jurisdiction (ETJ). The Critical Facilities List in Attachment "C" and the Hazard Profile Worksheets in Attachment "D" describe the existing population, housing units, critical facilities, special facilities, infrastructure, HAZMA T Facilities, and commercial facilities located in each planning sector and their exposure to risk. The future population and infrastructure at risk in Hays County is expected to follow the 1990 to 2000 trend where the county population increased from 65,615 to 97,589 or a total lO-year growth of 48.7%. Using this growth trend, the projected population for Hays County is 145,100 for 2010 and 215,700 for 2020. With this population growth a similar increase in the number of critical facilities and infrastructure is expected as described below: I Ha)'s County, Texas Miligalion Plan 93