Using Green Infrastructure in Your MS4 Community...Using Green Infrastructure in Your MS4 Community...
Transcript of Using Green Infrastructure in Your MS4 Community...Using Green Infrastructure in Your MS4 Community...
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Using Green Infrastructure in Your MS4 Community
Melissa Bernardo Hess, PE, CFM
February 18, 2016
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Using Green Infrastructure in Your MS4 Community
Today’s Discussion
– What is Green Infrastructure?
– Why should I consider Green Infrastructure?
– What practices could work for me?
– What else should I consider?
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Using Green Infrastructure in Your MS4 Community
Green Infrastructure
– Using plants, soils and nature to manage stormwater
– Natural and managed green areas in both urban and rural settings
– Strategic connection of open green areas
– Treating rainwater as a resource
– Transforming “grey” stormwater infrastructure to green through restoration of watersheds to slow and store water
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Using Green Infrastructure in Your MS4 Community
Green Infrastructure
– Rain gardens and bioswales
– Bioretention and planter boxes
– Rain barrels and cisterns
– Green roofs
– Permeable pavements
– Urban tree canopy
– Green alleys and streets
– Conservation landscaping
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Using Green Infrastructure in Your MS4 Community
What else?
– Educating the public about water quality, sewer and stormwater concerns
– Promoting green solutions
– Helping communities meet their permit goals
– Enhancing public perception (sustainable cities)
– Leverage State and Federal Program Dollars (brownfield redevelopment)
– Evaluating opportunity to “marry” two forms of public work effort (street, sidewalks, stormwater management)
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Using Green Infrastructure in Your MS4 Community
Why Should You Consider Green Infrastructure?
Photo: Rusty Schmidt
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Using Green Infrastructure in Your MS4 Community
Watershed Goals
– Improve water quality
– Reduce flooding from rain events
– Repair troubled areas
– Prevent degradation of streams
– Stabilize streams
– Comply with regulatory requirements
– Improve overall watershed health
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Using Green Infrastructure in Your MS4 Community
Watershed Assessments
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Using Green Infrastructure in Your MS4 Community
Program Challenges
– Funding
– MS4 boundary issue
– % restoration requirement
– Aggressive timeframes
– Local and Chesapeake Bay TMDLs
– Tracking progress
– Reporting
– Perception
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Using Green Infrastructure in Your MS4 Community
Site Challenges – Highly impervious areas with
limited available space
– Poor soils
– Utility conflicts
– Flooding issues
– Parking
– Existing grading and other site constraints
– Interruptions during construction activities
– Public expectations
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Using Green Infrastructure in Your MS4 Community
Potential Solutions
– Traditional Capital Improvement Projects (CIPs)
– Green Infrastructure solutions
– Source control/pollution prevention strategies
– Operational or behavioral changes
– Coordination with other jurisdictions
– Expand public outreach and education
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Using Green Infrastructure in Your MS4 Community
Effectiveness
– More data now that projects have been implemented
– We partnered with US EPA Office of Research and Development
• EPA’s involvement in GI validation process – monitoring lead
• Green Infrastructure Selection
– More communities doing Triple Bottom Line analyses
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Using Green Infrastructure in Your MS4 Community
Incorporating Green Infrastructure
– Evolving nature and challenges of urbanized watersheds
– Consider alternatives to help meet WLA
– Outreach/community education
– Innovative solutions like Green Infrastructure are needed
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Using Green Infrastructure in Your MS4 Community
What Types of Green Infrastructure Could Work for My Community?
Photo: Rusty Schmidt
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Using Green Infrastructure in Your MS4 Community
Bioretention Gardens: Rain Gardens with Engineered Soil + Underdrains
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Porous Sidewalk
&
Raised Curb
Photos: URS
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Using Green Infrastructure in Your MS4 Community Photo: URS
Cascades
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Using Green Infrastructure in Your MS4 Community
Curb Extensions with Below-Grade Storage
– Stormwater Collection Focal Points
– Traffic Calming
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Photos: URS
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Using Green Infrastructure in Your MS4 Community
Commercial Street: Little Greenspace – Lots of Utilities
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Photos: URS
Pervious Sidewalks Below Grade Storage
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Using Green Infrastructure in Your MS4 Community
Articulated Concrete Block Installation
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Using Green Infrastructure in Your MS4 Community
Articulated Concrete Block Installation
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Using Green Infrastructure in Your MS4 Community
Rights-of-Way
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Using Green Infrastructure in Your MS4 Community
Porous Concrete Sidewalks
Photos URS
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Using Green Infrastructure in Your MS4 Community
Tree Box Application
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Photo: URS
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Targeted Tree Planting
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Commercial Pocket Park Opportunity
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Vacant Lots
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Using Green Infrastructure in Your MS4 Community Photo: URS
Neighborhood Improvements
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Using Green Infrastructure in Your MS4 Community Photo: URS
Neighborhood Improvements
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Using Green Infrastructure in Your MS4 Community Photo: URS
Neighborhood Improvements
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Using Green Infrastructure in Your MS4 Community Photo: URS
Neighborhood Improvements
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Using Green Infrastructure in Your MS4 Community
What Else Should Be Considered?
Photo: Rusty Schmidt
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Using Green Infrastructure in Your MS4 Community
Maintenance Matters!
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Using Green Infrastructure in Your MS4 Community
Maintenance Matters!
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Using Green Infrastructure in Your MS4 Community
Maintenance – Design with the End in Mind
– Inspections
– Preventive maintenance
– Regular schedule that works with other maintenance activities
– Tracking progress
– Reporting
– Funding
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Using Green Infrastructure in Your MS4 Community
How to Incorporate Green Infrastructure
– Develop community specific criteria
– Add to your watershed assessments
– Coordinate with other departments
– Integrate with neighborhood improvements
– Combine with educational activities
– Work with private groups
– Work with private property owners
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Using Green Infrastructure in Your MS4 Community
Neighborhoods
MCDEP RainScapes Program
• Rain barrels
• Cisterns
• Dry wells
• Rain gardens
• Conservation landscaping techniques
• Permeable pavers
• Pavement removal
• Tree canopy
• Green roofs
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Using Green Infrastructure in Your MS4 Community
Putting It Together Integrated planning—identify opportunities to incorporate Green Infrastructure into planned projects
Communication up front is key!