Technical Documents

Regional Flood Plan – July 2023

AMENDED Regional Flood Plan (Volume 1) – This volume contains an executive summary and all chapter text.

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AMENDED Regional Flood Plan (Volume 2) – Volume two of the Final Regional Flood Plan includes all referenced appendices. This volume is broken down into sections for easier download and quicker reference.

• Appendix 0-1 to Appendix 1-4
• Appendix 1-4 to Appendix 2A-2
• Appendix 2A-3 to Appendix 2B-4
• Appendix 2B-5 to Appendix 4-6
• Appendix 4-7 to Appendix 5-4A
• Appendix 5-4B to Appendix 5-4I
• Appendix 5-4J to Appendix 5-4AF
• Appendix 5-4AG to Appendix 5-4AI
• Appendix 5-4AJ to Appendix 5-4AK
• Appendix 5-4AL (Part 1)
• Appendix 5-4AL (Part 2)
• Appendix 5-4AL (Part 3)
• Appendix 5-4AL to Appendix 5-4AM
• Appendix 5-4AN to Appendix 5-4AT
• Appendix 5-5 to Appendix 10-14

Regional Flood Plan – Jan. 2023

DRAFT Regional Flood Plan (Volume 1) – This volume contains an executive summary and all chapter text.

Use the “play” icon located in the right upper corner of the e-reader to launch presentation mode to view the document in full screen.

DRAFT Regional Flood Plan (Volume 2) – Volume two of the Final Regional Flood Plan includes all referenced appendices. This volume is broken down into sections for easier download and quicker reference.

• Appendix 0-1 to Appendix 1-5
• Appendix 2A-1 to Appendix 2B-5
• Appendix 2B-6 to Appendix 5-3
• Appendix 5-4A to Appendix 5-4D
• Appendix 5-4E
• Appendix 5-4E  (continued)
• Appendix_5-4F
• Appendix 5-4G to Appendix 5-4M
• Appendix 5-5A to Appendix 5-5C
• Appendix 5-6 to Appendix 10-13

RFPG Technical Memos

Technical Memorandum (January 2022) – This Technical Memorandum serves as a preliminary check on the RFPG’s progress towards the complete Regional Flood Plan by providing an overview of various tasks, processes used, and data collected. All the provided materials in this memo are subject to change prior to the submittal of the full draft flood plan due in August of 2022.

Technical Memorandum (March 2022) – This Technical Memorandum serves as a preliminary check on the RFPG’s progress towards the complete Regional Flood Plan by providing an overview of various tasks, processes used, and data collected. All the provided materials in this memo are subject to change prior to the submittal of the full draft flood plan due in August of 2022.

DRAFT Chapters

DRAFT Chapter 1 – Planning Area Description (June 2022) – Chapter 1 describes the Flood Planning Region, existing natural flood mitigation features, constructed major flood infrastructure, and major infrastructure and flood mitigation projects currently under development.

DRAFT Chapter 2 – Flood Risk Analysis (June 2022) – The goal of Chapter 2 is to perform an existing and future condition flood risk analyses for the region comprising flood hazard analyses that determine location, magnitude, and frequency of flooding; flood exposure analyses to identify who and what might be harmed within the region; and vulnerability analyses to identify vulnerabilities of communities and critical facilities.

DRAFT Chapter 7 – Flood Response Information and Activities (June 2022) – Chapter 7 summarizes the nature and types of flood response preparations within the flood planning region including providing where more detailed information is available regarding recovery.

DRAFT Chapter 8 – Administrative, Regulatory, and Legislative Recommendations (June 2022) – Chapter 8 documents recommendations for legislative, regulatory, and administrative improvements necessary to facilitate floodplain management and flood mitigation planning and implementation.

DRAFT Chapter 9 – Flood Infrastructure Financing Analysis (June 2022) – Chapter 9 indicates how sponsors will propose to finance recommended FMEs, FMSs, and FMPs as well as documents available federal and state assistance programs.

DRAFT Regional Flood Plan

DRAFT Regional Flood Plan (Volume 1) – This volume contains an executive summary and all chapter text.

DRAFT Regional Flood Plan (Volume 2) – Volume two of the DRAFT Regional Flood Plan includes all referenced appendices. This volume is broken down into sections for easier download and quicker reference.

• Appendix 0-1 to Appendix 2A-3
• Appendix 2A-4 to Appendix 2B-2
• Appendix 2B-3 to Appendix 2B-8
• Appendix 3A-1 to Appendix 5-4A
• Appendix 5-4B to Appendix 5-4D
• Appendix 5-4E to Appendix 5-4F
• Appendix 5-4G to Appendix 5-5A
• Appendix 5-5B to Appendix 10-11

The comment period for the DRAFT Regional Flood Plan closed on October 29, 2022.

To contact the San Jacinto Regional Flood Planning Group please visit the Contact Us page.