Contents Chapter 1: Introduction Chapter 2: Identification and Description of Santa Clara Basin Watershed

Transcription

1 Contents Chapter 1: Introduction 1.1 Background and Purpose Goals and Elements of the SWRP Previous and Current Planning Efforts Regional Plans Local Watershed Plans Chapter 2: Identification and Description of Santa Clara Basin Watershed 2.1 Santa Clara Basin Watershed and Sub Watershed Boundaries Land Uses within the Watershed Surface Water Resources Groundwater Resources Water Supply Habitats and Open Space Watershed Processes Flood Risk Chapter 3: Water Quality Issues and Priorities in the Watershed 3.1 Activities Contributing to Stormwater Pollution Applicable Regulatory Permits Applicable Total Maximum Daily Load (TMDL), Trash, and Copper Requirements Ongoing Efforts to Address Water Quality Issues SCVURPPP and Participating Agency Efforts Green Stormwater Infrastructure Planning Santa Clara Valley Water District Efforts SWRP Strategies to Address Water Quality Requirements Chapter 4: Organization, Coordination, and Collaboration 4.1 Participating Agencies Agreements with Participating Agencies Roles and Responsibilities of Participating Agencies Technical Advisory Committee Stakeholder Involvement i

2 4.3.1 Formation and Role of Stakeholder Group Public Engagement Efforts and Community Participation Coordination with Bay Area Integrated Regional Water Management Plan (IRWMP) Chapter 5: Identification and Prioritization of Stormwater and Dry Weather Runoff Capture Project Opportunities 5.1 Overview of Identification and Prioritization Process Process Overview Selection of Models and Decision Support Tools Types of Project Opportunities Datasets Project Opportunity Identification and Screening Screening of Public Parcels Screening of Public Rights of Way Quantitative Metrics Based Benefits Analysis Prioritization of Project Opportunities Final Project Prioritization Scoring Quantitative Analysis of Stormwater Capture Volumes and Pollutant Load Reductions Chapter 6: Project Conceptual Designs 6.1 Development of Project Conceptual Designs Project Concepts Chapter 7: Plan Implementation Strategy 7.1 Overall Benefits of Plan Implementation Resources for Plan and Project Implementation Resources for Plan Adoption and Adaptive Management Resources for Project Implementation Implementation Strategy Incorporation of the SWRP into the Bay Area IRWMP Actions, Projects and Studies for SWRP Implementation Entities Responsible for Project Implementation Community Participation Strategy for SWRP Implementation Procedures to Track SWRP and Project Implementation Timelines for Active or Planned Projects ii

3 7.3.7 Strategy and Timeline for Obtaining Necessary Federal, State, and Local Permits Adaptive Management Maintaining a Living Document Timeline for SWRP Review and Update Procedure for SWRP Update Implementation Performance Measures Information and Data Management Methods Chapter 8: Education, Outreach and Public Participation 8.1 Outreach to Public Agencies Stakeholder Outreach Stakeholder Outreach Plan Implementation Identification and Inclusion of Specific Audiences Summary of Stakeholder Participation Public Outreach Public Education and Engagement in Plan Development Future Community Engagement in Local Project Design and Implementation Outreach Tools Outreach Materials SWRP Webpage Green Infrastructure Resource Library iii

4 List of Figures Figure 2 1. Santa Clara Basin Watershed Figure 2 2. City and County Boundaries Within the Santa Clara Basin Watershed Figure 2 3. BAIRWMP Regions and Subregions Figure 2 4. San Francisco Bay Basin Plan Hydrologic Planning Areas Figure 2 5. One Water Plan Watersheds Figure 2 6. Santa Clara Basin Subwatershed Boundaries Figure 2 7. Land Use Within the Santa Clara Basin Watershed Figure (d) Listed Water Bodies Figure 2 9. Groundwater Basins and Recharge Areas Within the Santa Clara Basin Watershed Area Figure Protected Areas in the SWRP Watershed Figure Natural Watershed Processes Figure Modified Watershed Processes Figure Current and Historical Floodplains Figure Major Flood Events Figure 5 1. Identification and Prioritization Processes for GSI Project Opportunities Figure 5 2. Parcel Land Use Figure 5 3. Percent of Impervious Cover Figure 5 4. Hydrologic Soil Group Figure 5 5. Percent Slope of Land Surface Figure 5 6. Subwatersheds Containing Flood Prone Streams and Areas Figure 5 7. PCB Interest Areas Figure 5 8. Communities of Concern within the SWRP Area Figure 5 9. Disadvantaged Communities within the SWRP Area Figure Prioritized LID Project Opportunities Figure Prioritized Regional Project Opportunities Figure Prioritized Green Street Project Opportunities Figure Locations of Co Located Projects Submitted by SCVURPPP Agencies and Stakeholders Figure Online Map Viewer for Visualizing Results of Prioritization List of Tables Table (d) Listed Water Bodies and Pollutants Table 5 1. Data Sources Used in Identification and Prioritization Process Table 5 2. Screening factors for parcel based project opportunities Table 5 3. Screening Factors for Right of Way Based Project Opportunities Table 5 4. PCB Interest Area Categories Table 5 5. Prioritization Metrics for LID Project Opportunities Table 5 6. Prioritization Metrics for Regional Stormwater Capture Project Opportunities Table 5 7. Prioritization Metrics for Green Street Project Opportunities Table 5 8. Project Prioritization Summary by Project Type iv

5 Table 5 9. Number of 90 th Percentile Green Street Project Opportunities by Jurisdiction Table Default Profile Assumptions of GSI Used in SUSTAIN Model Table Annual Average (WY ) Volume Capture and Pollutant Load Reduction for High Priority Project Opportunities Table 6 1. Conceptual project benefits Table 6 2. Conceptual project benefit quantification and costs Table 8 1. Status of Stakeholder Outreach Plan Tasks List of Appendices Chapter 4 Appendices Appendix 4 1: TAC Member List Appendix 4 2: TAC Meeting Materials Chapter 5 Appendices Appendix 5 1: Technical Memorandum: Metrics and Methodologies for Identifying and Prioritizing GI Projects & Evaluation and Selection of Appropriate Models and Tools for the SWRP Appendix 5 2: Potential and Planned Projects Submitted by SCVURPPP Agencies Appendix 5 3: Potential Projects Submitted by Stakeholders Appendix 5 4: List of Potential Project Opportunities 5 4A: List of Potential Regional Stormwater Capture Projects 5 4B: List of Potential LID Projects 5 4C: List of Potential Green Street Projects Chapter 8 Appendices Appendix 8 1: Stakeholder Outreach Plan Appendix 8 2: List of Stakeholder Group Participants Appendix 8 3: Stakeholder Group Meeting Materials Appendix 8 4: Fact Sheet: Greening Our Streets, Buildings, and Parking Lots Appendix 8 5: Fact Sheet: Integrating Green Infrastructure into Public Streets, Roads, Buildings, and Parking Lots Abbreviations ABAG BAIRWMP Basin Plan BASMAA BMP C3PO AHTG Association of Bay Area Governments San Francisco Bay Area Integrated Regional Water Management Plan RWQCB Regional Water Quality Control Plan for San Francisco Bay Basin Bay Area Stormwater Management Agencies Association Best Management Practice C.3 Provision Oversight Ad Hoc Task Group v

6 CEQA CIP CW4CB DAC District GCRCD GI GIS GSI GWMP HRU IRWMP LID LUS MOA MRP MS4 NED NLCD NRCS O&M PCBs POC RAA ROW RWQCB SAFER Bay SCBWMI SCVURPPP SCVWD California Environmental Quality Act Capital Improvement Plan Clean Watersheds for a Clean Bay Disadvantaged Community Santa Clara Valley Water District Guadalupe Coyote Resource Conservation District Green Infrastructure Geographic Information System Green Stormwater Infrastructure Santa Clara Valley Water District 2016 Groundwater Management Plan Hydrologic Response Unit Integrated Regional Water Management Plan Low Impact Development Land Use Subgroup Memorandum of Agreement San Francisco Bay Region Municipal Regional Stormwater NPDES Permit Municipal Separate Storm Sewer System National Elevation Dataset National Land Cover Dataset National Resource Conservation Service Operation and Maintenance Polychlorinated Biphenyls Pollutants of Concern Reasonable Assurance Analysis Right of Way Regional Water Quality Control Board Strategy to Advance Flood protection, Ecosystems and Recreation along the Bay Santa Clara Basin Watershed Management Initiative (Water Board) Santa Clara Valley Urban Runoff Pollution Prevention Program Santa Clara Valley Water District vi

7 SFCJPA SFEI SFRWQCB SHOPP South County SSURGO SUSTAIN SWG SWRCB SWRP TAC TMDL URMP USEPA USGS UWMP VTA Water Master Plan WDR WMI ZLI San Francisquito Creek Joint Powers Authority San Francisco Estuary Institute San Francisco Bay Regional Water Quality Control Board State Highway Operations Protection Program Southern Santa Clara County Soil Survey Geographic Database System for Urban Stormwater Treatment and Analysis Integration Stakeholder Work Group State Water Resources Control Board Stormwater Resource Plan Technical Advisory Committee Total Maximum Daily Load Urban Runoff Management Plans United States Environmental Protection Agency United States Geological Survey Santa Clara Valley Water s District Urban Water Management Plan Santa Clara Valley Transportation Authority Santa Clara Valley Water District Water Supply and Infrastructure Master Plan Waste Discharge Requirements Watershed Management Initiative Santa Clara Valley Zero Litter Initiative vii