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  3. Flood Control Zone 9: Ross Valley
  4. Reports and documents

Zone 9 reports and documents

Documents listed below are from 2018 onward. If you need a document from prior to 2018, please use the contact form to submit your request.

Zone 9 Advisory Board Meeting Presentation: June 26, 2023

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Storm Drainage Fee Report 2023

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Zone 9 Advisory Board – Meeting Agenda – May 11, 2023

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Zone 9 Advisory Board Meeting Staff Report – May 11, 2023

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Flood Zone 9 Proposed FY 2023-2024 Baseline Budget

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Report on Hydraulic Analysis of the Morningside Alternative, May 2018

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Project Conditions Hydraulic Evaluation of the Corte Madera Creek Levees, October 2019

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Ross Valley Flow Reduction Study Report, November 2015

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Storm Drainage Fee Update 2022 2023 (Final Signed)

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Storm Drainage Fee Update 2021 2022 (Final Signed)

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Zone 9 Advisory Board Meeting Presentation (Phoenix Lake Project Update): May 16, 2017

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Zone 9 Advisory Board Meeting Minutes: May 16, 2017

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Zone 9 Advisory Board Meeting Staff Report: May 16, 2017

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Corte Madera Creek Draft EIR Volume 1, February 2021

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Notice of completed Corte Madera Creek public hearing, November 2018

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Zone 9 Advisory Board Meeting Presentation: January 15, 2019

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Zone 9 Updated Bylaws, January 2019

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Draft Nursery Basin Design Plans, December 2019

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Zone 9 Advisory Board Meeting Presentation: December 9, 2019

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Zone 9 Financial Review, March 2022

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Southern Marin watershed guide, July 2016

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Map of Flood Control Zone 9: Ross Valley

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Ross Valley land use map

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Ross Valley fish map

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Ross Valley imperviousness map

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Ross Valley vegetation map

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Ross Valley watershed map

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San Anselmo Flood Risk Reduction Project

Zone 9 Advisory Board – Meeting Agenda – May 11, 2023

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Zone 9 Advisory Board Meeting Staff Report – May 11, 2023

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San Anselmo Flood Risk Reduction Project map

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Map of Proposed SAFRR Project Option 2A

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Preferred project 10yr water surface elevation parcels with 3ft or more reduction

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Hydraulic Analysis of Sunnyside Detention Basin (2018)

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Draft Environmental Impact Report Notice of Availability (2018)

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Frequently Asked Questions (2018)

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Nursery Flood Diversion and Storage Basin Operations Narrative (2018)

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Community Meeting (2017)

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Notice of Preparation for the Environmental Impact Report (2017)

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Project Environmental Impact Report public scoping meeting (2017)

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Presentation for the project Environmental Impact Report scoping meeting (2017)

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Department of Water Resources Grant Agreement (2018)

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Presentation to update the Advisory Board on the status of California Environmental Quality Act review (2017)

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Technical Memorandum on the Analysis of Project Alternatives for the Memorial Park Department of Water Resources Grant (2016)

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Presentation to the Advisory Board on the Memorial Park Grant Migration (2016)

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Presentation to the Advisory Board for California Environmental Quality Act review (2016)

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Flow Reduction Study (2015)

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Attachment E to Technical Memo No. 2 (2011)

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Attachment B to Technical Memo No. 2: Operations Plan of Ross Valley Detention Basins (2011)

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Technical Memorandum No. 2 on Detention Basins (2011)

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Detention Basin Tour Slide Show (2013)

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Phoenix Lake Integrated Regional Water Management Retrofit Project

Phoenix Lake Retrofit Project Monitoring Map, April 2011

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Phoenix Lake Retrofit Project Facilities Map, April 2011

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Phoenix Lake Retrofit Preliminary Geotechnical Report, May 2010

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Phoenix Lake Retrofit Memorandum of Understanding Between District and Marin Water, April 2011

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Phoenix Lake Retrofit Technical Memo Attachment D Geotechnical Evaluation, May 2010

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Phoenix Lake Retrofit Technical Memo Attachment C Hydrologic Study, January 2011

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Phoenix Lake Retrofit Technical Memo Attachment B Detention Basin Analysis, December 2010

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Phoenix Lake Retrofit Print Copy of Online Entry Form with Input Data, April 2011

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Phoenix Lake Retrofit Marin County Stormwater Resources Plan, April 2011

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Phoenix Lake Retrofit AB 1420 Water Meter Compliance Information, April 2011

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Phoenix Lake Retrofit Program Preferences, April 2011

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Phoenix Lake Retrofit Costs and Benefits Summary, April 2011

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Phoenix Lake Retrofit Economic Analysis Water Quality Component, April 2011

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Phoenix Lake Retrofit Economic Analysis Water Supply Component, April 2011

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Phoenix Lake Retrofit Economic Analysis Flood Control Component, April 2011

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Phoenix Lake Retrofit Monitoring, Assessment, and Performance Measures, April 2011

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Phoenix Lake Retrofit Schedule, April 2011

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Phoenix Lake Retrofit Budget, April 2011

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Phoenix Lake Retrofit Workplan, July 2012

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Phoenix Lake Retrofit Bay Area Integrated Regional Water Management Project Adoption, April 2011

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Phoenix Lake Retrofit Grant Authorization and Eligibility Requirements, April 2011

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Phoenix Lake Retrofit Cover of Grant Proposal, April 2011

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Phoenix Lake Retrofit Department of Water Resources Grant Agreement, May 2013

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Zone 9 Advisory Board Meeting Presentation (Phoenix Lake Project Update): May 16, 2017

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