ross valley flood control and watershed program
DESCRIPTION
Ross Valley Flood Control and Watershed Program. Marin County Flood Control and Water Conservation District ~ Flood Control Zone 9 ~ Marin County Department of Public Works. Historical Annual Peak Discharges Flood Zone 9 Streamflow Gage. - PowerPoint PPT PresentationTRANSCRIPT
Ross Valley Flood ControlRoss Valley Flood Control and and
Watershed ProgramWatershed Program
Marin County Flood Control and Water Marin County Flood Control and Water Conservation DistrictConservation District
~~Flood Control Zone 9Flood Control Zone 9
~~ Marin County Department of Public WorksMarin County Department of Public Works
Historical Annual Peak Discharges Historical Annual Peak Discharges Flood Zone 9 Streamflow GageFlood Zone 9 Streamflow Gage
Flood Frequency Curve Flood Frequency Curve Flood Zone 9 Streamflow GageFlood Zone 9 Streamflow Gage
Program StatementProgram Statement
Create and Implement a program to reduce Create and Implement a program to reduce flooding flooding
Guiding Principles:Guiding Principles: Reduce flooding Reduce flooding Watershed basedWatershed based Include stakeholders in planning processInclude stakeholders in planning process Set a goal of managing the 1% probability (100 Set a goal of managing the 1% probability (100
yr.) floodyr.) flood Integrate proactive environmental stewardship Integrate proactive environmental stewardship
with flood control effortswith flood control efforts Leverage local funds with state and federal Leverage local funds with state and federal
funding sourcesfunding sources
Programmatic ApproachProgrammatic Approach
Gives an overview, a structureGives an overview, a structure Organizes our effortsOrganizes our efforts Organizes our discussionsOrganizes our discussions Organizes our spendingOrganizes our spending
Major Categories of the Major Categories of the ProgramProgram
Administration & FinanceAdministration & FinanceOperations and Operations and MaintenanceMaintenance
Capital Improvement Capital Improvement ProjectsProjects
Capital Improvement Capital Improvement ProgramProgram
Planning
Public Outreach
Creek CapacityImprovements
Detention Basins
Private and PublicPartnership
Projects
Sediment Mgmt.Federal ProjectCompletion –
Unit 4
Environmental
State Bonds
Grants:Application
&Management
Design &
Construction
Bridge Program
Federal GrantsCulvert Program
Floodwall Program
Dredging
Erosion Control
Tidal Prism
Fish Passage
Creek Enhancements
Habitat Restoration
Land UseManagement
ApplicationProcess
Public Property
Private and “Quasi” Private/
PublicProperty
Real Estate:Acquisitions
&Easements
(Project Related)Interior Drainage
Flood ControlProjects
Ross Valley Flood Control
Ross Valley Feasibility Ross Valley Feasibility StudyStudy
Draft expected by January 31, 2011Draft expected by January 31, 2011 Master Plan for flood control programMaster Plan for flood control program Major Elements:Major Elements:
Detention BasinsDetention Basins Creek Capacity ImprovementsCreek Capacity Improvements Sediment ManagementSediment Management Cost/Benefit AnalysisCost/Benefit Analysis Recommended SequencingRecommended Sequencing
Detention BasinDetention Basin
Capital Improvement Capital Improvement ProgramProgramStatusStatus Planning:Planning:
Detention Basins ProgramDetention Basins Program:: RV School District and Town of San AnselmoRV School District and Town of San Anselmo MMWD - feasibility of using Phoenix Lake for MMWD - feasibility of using Phoenix Lake for
DB. DB. Parks and Open Space District Parks and Open Space District Next StepsNext Steps
Hydraulic Capacity IncreaseHydraulic Capacity Increase
Creek Capacity Improvements ProgramCreek Capacity Improvements Program Critical reaches in Fairfax, San Anselmo, Sleepy HollowCritical reaches in Fairfax, San Anselmo, Sleepy Hollow Case studies to TWG Case studies to TWG Bridge and Culverts ProgramBridge and Culverts Program
Public OutreachPublic Outreach New Ross Valley Website online now New Ross Valley Website online now
(www.marinwatersheds.org)(www.marinwatersheds.org) TWG Meetings (Series) – next up: Thurs. November 18thTWG Meetings (Series) – next up: Thurs. November 18th Outreach ProgramOutreach Program
Private/Public Partnership ProjectsPrivate/Public Partnership Projects Lagunitas Road Bridge (complete) with Town of RossLagunitas Road Bridge (complete) with Town of Ross Bon Air Bridge with City of LarkspurBon Air Bridge with City of Larkspur Kentfield Drainage Culverts Replacement with RV Sanitary Kentfield Drainage Culverts Replacement with RV Sanitary
District; District; Stage gauges in San Anselmo and Fairfax w/ RV Fire and Stage gauges in San Anselmo and Fairfax w/ RV Fire and
TownsTowns
Capital Improvement Capital Improvement Program Program
StatusStatus
Sediment Management & Erosion Sediment Management & Erosion ControlControl Third major part of Feasibility Study – Third major part of Feasibility Study –
December 2010December 2010 Sustainable dredging volume – financial and Sustainable dredging volume – financial and
environmental benefits and implicationsenvironmental benefits and implications Bon Air Bridge Replacement - clear span for Bon Air Bridge Replacement - clear span for
a barge a barge Coordination with other Agencies:Coordination with other Agencies:
USGS gauges in Ross and Greenbrae Bdwk USGS gauges in Ross and Greenbrae Bdwk BCDC researchBCDC research
Capital Improvement Capital Improvement ProgramProgramStatusStatus
Design & ConstructionDesign & Construction Federal Project Completion – Unit 4Federal Project Completion – Unit 4
Administrative Draft of EIR/EIS Baseline ReportAdministrative Draft of EIR/EIS Baseline Report EIR/EIS draft coming in Nov./Dec. 2010EIR/EIS draft coming in Nov./Dec. 2010 Coordinating computer modeling with ACOE design Coordinating computer modeling with ACOE design
teamteam
Environmental ProjectsEnvironmental Projects Coordinating with Friends of Corte Madera Creek on Coordinating with Friends of Corte Madera Creek on
Saunders Ave. projectSaunders Ave. project Grants Application & ManagementGrants Application & Management
Applying for current Prop 1E grant for Phoenix Applying for current Prop 1E grant for Phoenix Lake project Lake project
Capital Improvement Capital Improvement ProgramProgramStatusStatus
Flood Zone 9 ProgramFlood Zone 9 ProgramQuestions?Questions?
Ross Valley Flood Program