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• About the Orange County Flood Control Division - Message from the Flood Control Manager
• About the Orange County Flood Control Division - Site Organization
• About the Orange County Flood Control Division - Orange County Flood Control District
• About the Orange County Flood Control Division - Orange County Flood Control Organizational Chart
• About the Orange County Flood Control Division - Flood Control Division FAQ
• About the Orange County Flood Control Division - Addresses and Phone Numbers
• About the Orange County Flood Control Division - Employment with the County of Orange and the Flood Control Division

• Santa Ana River Project - Introduction
• Santa Ana River Project - Flood History
• Santa Ana River Project - Project Description
• Santa Ana River Project - Lower Santa Ana River
• Santa Ana River Project - Seven Oaks Dam
  • Santa Ana River Project - Seven Oaks Dam Construction Photos
• Santa Ana River Project - Prado Dam
• Santa Ana River Project - Local Cooperation Agreement
• Santa Ana River Project - Project Cost and Schedule

• Neighborhood Flood Control - Introduction
• Neighborhood Flood Control - Floodplain Management
  • Neighborhood Flood Control - Flood Insurance
  • Neighborhood Flood Control - Buying Flood Insurance
  • Neighborhood Flood Control - Determining if Your Property is In or Out of a Flood Zone
  • Neighborhood Flood Control - Reading the DFIRM
  • Neighborhood Flood Control - Obtaining the FEMA Flood Insurance Rate Maps (FIRM)
  • Neighborhood Flood Control - Reading the FIRM
  • Neighborhood Flood Control - Challenge a Flood Determination
  • Neighborhood Flood Control - Floodplain Contact Information
  • Neighborhood Flood Control - Floodplain Management FAQ
• Neighborhood Flood Control - Hydrology
• Neighborhood Flood Control - The Flood Control Project Process
  • Neighborhood Flood Control - CEFCAC
  • Neighborhood Flood Control - CEFCAC Funding Criteria
  • Neighborhood Flood Control - CEFCAC Procedure
  • Neighborhood Flood Control - Project Plan
  • Neighborhood Flood Control - CEFCAC Tentative Tract Conditions Of Approval
• Neighborhood Flood Control - Flood Control Projects
  • Neighborhood Flood Control - Design Projects
  • Neighborhood Flood Control - Construction Projects
  • Neighborhood Flood Control - Completed Projects
  • Neighborhood Flood Control - Future Projects
• Neighborhood Flood Control - Public Meeting Calendar
• Neighborhood Flood Control - Water Quality Projects

• Safety and Education - Introduction
• Safety and Education - What is a Flood and a Flash Flood?
• Safety and Education - Glossary of Flooding Terms
• Safety and Education - Myths of Flooding
• Safety and Education - Flood Fighting
  • Safety and Education - Flood Fighting - Before a Flood
  • Safety and Education - Flood Fighting - During a Flood
  • Safety and Education - Flood Fighting - After a Flood
  • Safety and Education - Flood Fighting - POST-BURN Preparedness
• Safety and Education - Emergency Information
• Safety and Education - Weather and Flood Watch

• Bids and Proposals - Introduction
• Bids and Proposals - RFQ/RFP - Architect-Engineer Consultant Projects
  • Architect - Engineer Questionnaire
• Bids and Proposals - About OCFCD Projects Advertised for Construction
  • Bids and Proposals - List of OCFCD Projects Advertised for Construction
• Bids and Proposals - How to Obtain Plans and Special Provisions
• Bids and Proposals - How to Submit Bids
• Bids and Proposals - Bid Summary and Abstracts

• Documents and Maps - Introduction
• Documents and Maps - Standard Plans and Specifications
• Documents and Maps - Drawings and Maps
  • Documents and Maps - Flood Drawing Index
  • Flood Control Facilities (Major County Structures) SVG
  • Flood Control Facilities (Major County Structures) PDF
  • Obtaining the FEMA Flood Insurance Rate Maps (FIRM)
• Documents and Maps - Forms and Reports
  • Architect - Engineer Questionnaire
  • Documents and Maps - Channel Grade Control Structure Inventory
• Documents and Maps - Online Manuals
  • Orange County Flood Control Design Manual
  • Orange County Local Drainage Manual
  • 1986 Orange County Hydrology Manual
  • 1996 Orange County Hydrology Manual Addendum
• Documents and Maps - Archived Hydraulic Engineering Topics
  • PowerPoint versions:
    • Fluvial-12: Mathematical Model for Erodible Channels - PPT version
    • Open Channel Transitions in Subcritical Flow - PPT version
    • Storm Drain Design: Part II - PPT version
    • Using HECRAS To Evaluate Scour At Bridges- PPT version
  • Text versions:
    • Fluvial-12: Mathematical Model for Erodible Channels
    • Open Channel Transitions in Subcritical Flow
    • Storm Drain Design: Part II
    • Using HECRAS to Evaluate Scour at Bridges
• Documents and Maps - Links