RESOLUTION# cLloei<>.~- l A A resolution hereby authorizing approval of the City of Buda to participate with the Commissioners' Court of the County of Hays, Texas in the Hays County Mitigation Action Plan. WHEREAS, The Hays County Mitigation Action Plan is more than just another planning document. It is a record of the community's potential risks and hazards, and commitment to reducing the long-te1m consequences of those hazards. The mitigation plan outlines goals within a community, identifies risk reduction strategies for hazards that threaten the area, and discusses the ongoing risk reduction activities undertaken within the jurisdiction. WHEREAS, The Disaster Mitigation Act of 2000 and the Federal Emergency Management Agency (FEMA) require the creation of a Mitigation Action Plan (MAP) to ensure consideration of continued federal funding in times of disasters. WHEREAS, Halff Associates, Inc. and the Hays County Mitigation Committee were tasked with the preparation of the County-wide Mitigation Action Plan. The Hays County Mitigation Action Plan to include the community of the City of Buda. WHEREAS, The Hays County Mitigation Action Plan also includes a floodplain mitigation portion to comply with the Flood Mitigation Assistance Program (FMA) and FEMA's Community Rating System Program (CRS). THEREFORE, BE IT RESOLVED that the City of Buda, at a meeting of the City Council, Buda, Texas, passed and approved this resolution on the 3rd day of August, 2004. Date Attest: City Administrator, City of Buda, Texas Date i-;l.cL v..> \\t. Q.e-'S 0 l""\...UV- HAYS COUNTY Table of Contents AND INCORPORATED AREAS, Section TEXAS Number Title Pa~eNumber State Planning Standards Checklist for Hazard Mitigation ...... -·················-.. ·•··•···• 4 Executive Summary ............. -.~· .. ·····-·-.......... - ................ - .......... - ................. - ........... 9 MITIGATION PLAN Introduction .................................................................................................................. 13 1. How This Plan Was Prepared (CRS Activity 511.1) ···-·-··········-··-······-··-··········-17 1.1 Organize to Prepare the Plan ......... -·-·····-······-·-··-··-·-·-··-··-··-·-·······-17 1.2. Mitigation Plan Schedule, Involve the Public, and Coordinate with Other Agencies (CRS Activity 511.1, 511.2, and 511.3) [TxDEM P-39] ................ 18 13. Public Meeting........................................................ - .......... - .......... - ..... - ......... 23 1.4. Mitigation Plan Questionnaire [TxDEM P-40 and P-41) .......................... _ 23 1.5 Mitigation Planning Committee·····-··-·········-··-·-······-··········-·····-··········- 26 1.6 Coordination with "Other Agencies" ................ - ........................................... 26 1.7 Meetings with "Other Agencies" To Review Common Problems ............... 27 PREPARED BY THE 1.8 Evaluating H37.3.rds and Establishing Goals ... ·-······-·-··········-··············-··· 27 Hays County 1.9 Distribution of the Draft Action Plan..•......•... _.............................................. 28 MITIGATION PLANNING COMMITTEE 2. Assess the Ha:mrd (Risk Assessment -CRS Activity 511.4.)·-··········-·················-··· 29 2.1 Map of Known Hazard Areas •••. ·-·····-·····-·-·······-·-······-··-··············-······ 29 2.2 Known 837.3.rdS..-.......... - .......... - .......... - ..... - .......... - ..................................... 29 2.3 Flood Hazard .. -·-·-·······-··-······-······-·-···.. - .......... - ..................................... 32 2.3.1 FEMA's Map Modernization Initiative .......... - ............. - ...................... 41 2.3.2 CTP Program-···-··-······-·-······-·-··-·-······-.............. - ................. - ...... 41 2.3.3 Texas and National Mapping Plans.. - ............. - ..................................... 41 2.3.4 Community Assistance Visits (CAV) ..............- ..................................... 42 2.3.5 Population Growth............. - ...... - .. - .............................~ ......................... 42 2.3.6 National Flood Insurance Program (NFIP) Policies and Claims ........ 43 2.3. 7 Flood Events ................................... - ..... - ................................................. 45 2.3.8 Participation in the NFIP .. _.......... - ..... - ................................................. 46 2.4 Severe Thunderstonns/Hail/Lightning_........................................................ 48 2.5 Hurricaneffropical Stonn ····-·-······-·-··-·-·······-·-··········-·-··.................... 49 Assisted 2.6 Tornado................................................ - ..... - .................................................... 49 By 2.7 High Winds.·-·············-·-···-··-··········-·····-··········-········.. ···-···········.. -········· SO Ill Halff Associates, Inc. 2.8 Winter Storms ............. - ................................................................................... 51 •II• !"'N<!Rl . .-<Hl"<CTS. ;Ol(NT5TS.PL'"NEllS Rays County llDd IDcorponited Arcll5, Texu Mitigation Pl:ao I 2.9 Drougbtf\Vildfire.............................................................................................. 51 8.2 Implementation, Evaluation and Revision oftbe Plan (CRS Activity 511.10) 2.10 Utility Disruption/Shortage............................................................................. 53 .......................................... - ........................ - .................................................... 92 2.11 Fire .................................................................................................................... 53 2.12 Hazardous Material (HAZMA1) Incidents-................................................. 54 TABLES 2.13 Terrorism.......................................................................................................... 58 Table 1: Population Trends in Ha:fs County................................. -······-·-········......... - ...... 14 2.14 Transportation Accidents................................................................................ 58 Table 2: Multi Hazard Inventory and Risk Assessment Hays................................... ·-······ 30 2.15 Mass Casualty Incident ..................................................... - ....... - ................... 59 Table 3: Hays County Hazard Rating Summary................................................................. 31 Table 4: Hays County Existing NFIP Mapping ................................................................... 33 2.16 Probability of Future Hazard Events .• ·-··-··········-···················-··················· 59 Table 5: FEMA Texas Mapping Plan Rankings ..... - ........................... ·-·················-········· 42 3. Assess the Problem (CRS Activity 511.5.) ·······-··-···················-······························· 60 Table 6: NFIP Policies and Claims Information for Hays County······-······-··-·-·-········· 43 3.1 Discussion of the Number and Type of Buildings Subject to the Hazards. 60 Table 7: High-Velocity Cross Sections In Hays County........... ·-······-·-··········-··-··········-44 Table 8: NFIP Participation in Bays County ......................... ·-·-··········-··········-··-··········- 47 3.2 Structures that have Received Flood Insurance Claims.........................•..•. 60 Table 9: The Fujita Scale .......................... ·-······-·-············-··-·-······-·-······-··-··-··········-50 3.3 Plan and Procedures for Warning and Evacuation •• - .................................. 60 Table 10: The Keetch-Byram Drought Index (KBDI) ..... -··-··-·····-·-··········-··············-·- 53 Table 11: Dams Located in Hays County·······-·-······-······-·-··········-·-······-·-··············-··· 69 3.4 Critical Facilities······-.. ········-··········-··············-··········-·······-··············-·······- 60 3.5 Wetlands, Riparian Areas, and Sensitive Areas .... - .................. ·-··-············ 60 FIGURES 3.6 Capital Improvement Program (CIP)......... -···················-·······················-··· 61 3.7 Impact of Disasters [TxDEM P-35, P-42.01-.05 and P-49) ...................... - ... 61 Figure 1: Hays County Mitigation Plan Questionnaire..-··········-·········'"··-··············-········· 25 Figure 2.1: Flood Hazard Sector 1 - Dripping Springs ··-······-··-··········-·-··············-·········.37 3.8 Out-of-date Flood Hazard Mapping····-··············-··········-·······-··············-··· 63 Figure 2.2: Flood Hazard Sector 2 - Kyle/Buda ....... -·····-··········-·············-·······-·····-··········38 3.9 Building Codes [TxDEM P-42.08] .................................................................. 64 Figure 2.3: Flood Hazard Sector 3 - Sao Marcos.. - ................................ - .......... - ................. 39 3.10 Floodplain Management Programs [TxDEM P-42.09] ................................ 64 Figure 2.4: Flood Hazard Sector 4 - Wimberley... - ................. _._ .......... - .......... - ................. 40 Figure 2.12.1: HAZMAT Zones Sector 2 - Kyle/Buda ········-··-·-··-··-·-··········-··-··········-·56 4. Goals (CRS Activity 511.6.) ......................................................................................... 66 Figure 2.12.2: HAZMAT Zones Sector 3 - San Marcos ·······-·-·-······-·-·······-·····-··········--57 4.1 Goals Established •••••••••• ·-··········-··········-··-··········-································-······ 66 5. Review of Possible Activities and Mitigation Strategies (CRS Activities 511.7 .) ... 68 ATIACHMENTS 5.1 Preventive