Marys ville Levee Commis s ion
Outline CVFPP Goals & Objectives Highlights of Draft Feather River RFMP Integration between Flood Protection, Agriculture and Wildlife and Floodplain Uses Proposed Projects Project Evaluation & Prioritization Criteria What is Next? Discussion & Comments
Central Valley Flood Protection Plan Primary Goal of CVFPP: Improve Flood Risk Management Implementation of structural and nonstructural actions for protecting urban areas and lands of Sacramento and San Joaquin river basins, and the Delta System ‐ wide investment approach Sustainable, integrated flood management
Purpose of the RFMP Build upon the CVFPP by describing regional flood management challenges and deficiencies, identifying solution strategies and projects, setting priorities, and developing a local financing plan for their implementation which leverages local, State, and federal funding opportunities.
Highlights of Draft RFMP Flood Management Challenges and Constraints Flood Hazards in Feather River Region Solution Strategies and Management Actions Integration of Flood Management with Agriculture and Wildlife Structural and Operational Alternatives Formulation Residual Risk Management Alternatives Alternatives Evaluation, Comparison and Prioritization Financial Planning
RFMP Flood Protection Goals Urban and Urbanizing Achieving 200 ‐ year flood protection Small Communities Achieving 100 ‐ year flood protection Rural Agricultural Areas Improve existing flood protection Flood System Sustainability Improve the flexibility and sustainability of the system
RFMP Flood Protection Goals Agricultural Sustainability Support and strengthen the regional economy Nexus of habitat and agricultural practices Sustain agricultural uses of regional floodplain Multiple Objectives Environmental restoration Agricultural enhancement Improved water quality, water supply, recreation, etc. Statewide and Regional Projects Describe opportunities to link regional projects to systemwide goals and objectives
Challenges and Constraints Regional Levee System, Channels & Reservoirs Fisheries and Wildlife Habitat Operations and Maintenance Constraints Water Quality Increasing Flood Risks Re ‐ evaluation of Levee Performance Evolving Levee Standards Floodplain Re ‐ mapping and Levee De ‐ certification Land Ownership and Land Use Conflicts Funding Climate Change
Flood Hazards in the Region Reservoirs: Flood Risk Reduction and Potential Hazards Oroville New Bullards Bar Camp Far West Levees SPFC Facilities Floodway Levees Channels and Floodplains
Solution Strategies and Management Actions State Systemwide Investment Approach (SSIA) includes recommendations for improvements to structures and operations of: Levees Channels and Bypass Systems Reservoirs Fisheries and wildlife habitat Operations and Maintenance
Solution Strategies and Management Actions Levees : Raise crown elevation Increase levee cross section and improve its geometry Provide stability berms buttress the levees Provide waterside berms and erosion protection on the water side Provide cutoff walls, seepage berms, or relief wells Reconstruct deficient levees in place or construct levee setbacks Provide off ‐ stream transitory storage Provide improved access and visibility to facilitate inspection and flood fighting activities Remove or improve levee penetrations Provide overflow protection Provide vegetation management including root barriers
Solution Strategies and Management Actions CVFPP physical and operational elements applicable to Feather River region: Forecast Coordinated Operations and Forecast Based Operations (FCO and FBO) New Bypass Construction and Existing Bypass Expansion Flood Structure Improvements Urban Improvements Small Communities Improvements Rural Agricultural Area Improvements Ecosystem Restoration
Integration of Flood Protection, Agriculture & Environment The agricultural and environmental heritage of the Feather River region should be preserved and enhanced through improved flood protection
Integration of Flood Protection, Agriculture & Environment Maintaining agricultural operations ensures: • Economic vitality of the region preserved and enhanced • Limiting of dense residential development in flood ‐ prone areas • Environmental benefits of farming • Access to resource stewardship and land management know ‐ how of farmers
Integration of Flood Protection, Agriculture & Wildlife Benefits of Ecosystem Enhancement in Feather River Region: Increased floodplain inundation compatible with agriculture Increased potential for channel migration Increased extent of riparian vegetation Improved fish passage at State Plan of Flood Control facilities (SPFC)
Flood Protection Projects Benefit Agricultural & Environmental TRLIA’s Bear and Feather River levee setbacks provide: • 200 ‐ year flood protection for region • Flood risk reduction for agricultural land • Over 2,400 acres returned to the floodway for environmental restoration and/or agricultural leaseback opportunities
Structural and Operational Alternatives Formulation Feather River West Levee Project (FRWLP): SBFCA is planning to improve 44 miles of levees from Thermalito Afterbay south to the Sutter Bypass
Structural and Operational Alternatives Formulation Reclamation District 10
Structural and Operational Alternatives Formulation Marysville Ring Levee System 4 ‐ phase, $90.5 million project
Structural and Operational Alternatives Formulation TRLIA leads effort to achieve 200 ‐ year flood protection for RD 784 ID Description Estimated Cost Comments L1 Phase IV—Complete WPIC To be constructed 2013-2015 $15.2 M levee improvements L2 Resolve ROW and encroachment To be addressed 2013-2015 issues for levees protecting urban $5 M – $10 M areas Alternative analysis L3 Yuba Goldfields $15 M - $50 M underway now to adopt as part of the SPFC Construction completed. L4 Olivehurst Detention Basin $0.0 M Action is to adopt as SPFC facility
Structural and Operational Alternatives Formulation RD 1001:
Structural and Operational Alternatives Formulation RD 1001: Continued
Structural and Operational Alternatives Formulation RD 2013 – Wheatland ID Description Estimated Comments Cost L1 FSRP Identified Critical $1.75 m Repairs, Bear River north levee, RD 817 L2 Dry Creek develop new hydrology L3 Dry Creek south levee and San Joaquin ditch (3.9 mi) improvements feasibility study and environmental documentation to formulate preferred alternative approach L4 Bear River north levee Bear River North Levee ULDC compliance Rehabilitation Project evaluation. June 2010. Work completed, just need eval. L5 Implement Dry Creek Based on results of south levee 200-year feasibility study ULDC levee improvements L6 Develop more accurate FEMA 100-year maps for the existing developed area that floods from Dry Creek
Residual Risk Management Alternatives Enhanced Flood Emergency Response Enhanced Flood System Operations and Maintenance Floodplain Risk Management National Flood Insurance Program Amendments for Rural ‐ Agricultural Areas Development Impact Fee Programs Agricultural Conservation Easements Levee Flood Protection Zones
Evaluation Criteria Financial Feasibility Implementation Feasibility Flood risk reduction benefits CVFPP’s “worst ‐ first” approach Comparative effectiveness Consistency with regional goals and objectives Consistency with CVFPP USFWS Habitat Evaluation Procedure (HEP) Multi ‐ objective projects
Grouping of Priority Lists Create a master list of actions Collaborate 1. to formulate prioritized list 2. Organize actions by sub ‐ basin 3. Subdivide actions into categories: Levee improvements Reservoir structural and operational improvements Channel improvements Residual risk improvements
Prioritization Criteria Capital Costs Operation and Maintenance Costs Annualized Costs Flood Damage Reduction Benefits Ecosystem Benefits Readiness Funding Opportunities Acceptability
Funding • Economic profile evaluation Employment /Land Use /Demographics /Growth • Funding evaluation Non ‐ local: State /Federal Local • Funding capacity assessment • Conclusions Matrix of Projects w/Allocation of Funding • Funding Issues Local Funding Constraints Economic Factors
Local Funding Examples
Ongoing & Potential Projects Levee Improvements/Repair (Urban & Non ‐ urban) System Maintenance Reservoir Re ‐ operation Channel Maintenance Improvements Erosion Repair Vegetation Management Habitat Enhancement, Primarily through Agricultural Practices Ongoing Restoration Actions by TRLIA and SBFCA
Next Steps • Comments on Working Draft– November 2013 • Final Draft – February 2014 • Final Workshops & Agency Approvals – March 2014 • Final Plan – May 2014 • Final Plan Distribution – June 2014
Discussion
Recommend
More recommend
