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Jing Wu, Pete Kauhanen, Tony Hale, Lester McKee, Jen Hunt
San Francisco Estuary Institute
10/11/2018
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Background
❏Five year development
❏Major investment from WB and US EPA
❏Collaboration with local partners
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Management Needs
❏ Green infrastructure (GI) is
a multi-benefit solution to
address stormwater
concerns
❏ Municipalities are required
to develop and implement
watershed GI plans
❏…but key questions remain
Where are possible
locations?
Where are effective
locations?
How much runoff and loads are reduced?
What are the most cost-effective GI
combinations?
Where has GI been
implemented?
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GreenPlan-IT Overview
❏ Quantitative, robust,
and flexible
❏ Scientifically
rigorous
❏ Open source
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GIS Site Locator Tool ID potential locations for GI
▪ Utilize regional and local GIS layers
▪ Rank locations based on local priorities and GI properties
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Modeling Tool (SWMM)
Quantify water quality and quantity benefits from GI implementation
▪ Establish baseline condition
▪ ID critical runoff and pollutant source areas
▪ Estimate GI benefits
▪ Set stage for cost-benefit analysis
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Optimization Tool
Determine the most cost-effective GI solutions
▪ Multi-objective optimization
▪ Input of GI cost/design
▪ Modeling tool as simulation engine
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Tracker
Web-based REGIONAL GI database
▪ Record attributes of each site, streamlining annual reporting
▪ Display planned, potential, and implemented projects
▪ Estimate and report GI effectiveness
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Regional Application for Supporting GI Planning
● ABAG East Bay Corridors
● San Mateo
● San Jose
● Sunnyvale
● Oakland
● Richmond
● Richmond/Contra Costa County
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Support Wetland Restoration Planning
Healthy Watersheds Resilient Baylands
❑ Prioritize and identify
wetland restoration
projects
❑ Reduce stormwater
runoff and nutrient
loads to Laguna de
Santa Rosa
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Ongoing Applications
Healthy Watersheds
Resilient Baylands
❏ Integrate water quality
benefits and ecological
functions
❏ Identify areas where GI
and urban forestry can
act synergistically to
achieve multiple benefits
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Ongoing Applications
Preparing for the Storm ❏ Valley-wide Urban
Greening Vision
❏ Focus on flood control
and groundwater
infiltrationlands
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Summary Notes
❑ GreenPlan-IT is flexible and robust • Variety of project settings
• Multiple spatial scales
• Variety of management goals and target pollutants
• Individual tool(s) or the whole package
• New directions! ❑ GreenPlan-IT can address a variety of stormwater needs
• GI planning
• Stormwater Resources Plans
• Reasonable Assurance Analysis
• Alternative compliance
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Acknowledgments
❑ Funding: California State Water Board, EPA Region 9
❑ Municipal Partners
▪ City of San Jose
▪ City of San Mateo
▪ City of Sunnyvale
▪ City of Oakland
▪ City of Richmond and Contra Costa County
▪ Association of Bay Area Governments
▪ Zone 7 water agency
More information …http://greenplanit.sfei.org/