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The Darby Cobbs Stormwater Initiative: Getting to the New Normal
Jamie N. Anderson, Eastern Delaware County Stormwater Collaborative
Diana Andrejczak, Pennsylvania Resources Council
Nora Schmidt,Darby Creek Valley Association
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• Highly Urbanized• All MS4s• Impaired Streams• Flooding Problems
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Bringing Partners Together
• Pennsylvania Resources Council (PRC)• Eastern Delaware County Stormwater
Collaborative (EDCSC)• Darby Creek Valley Association (DCVA)• Haverford Township EAC
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• Create public gardens that serve both water quality benefits as well as serve as educational tools for the public.
• Establish a framework to engage residents in installing rain gardens on their private properties
• Carry this framework throughout the watershed utilizing the support from the EDCSC communities
Project Goals
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• NFWF Delaware River Initiative Grant• Ethel Sergeant Clark Smith Foundation Grant• Water Resources Education Network (WREN)• Royal Bank of Canada• In Kind Support from Municipalities
Sources of Funding
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Rain Gardens• 6 Public Gardens public areas of EDCSC
communities• 10 private gardens in Haverford
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Project Timeline
Summer 2014• Develop Workshop Curriculum• First Workshop and Planting
Fall/Winter 2014 - 2015• Determine public garden locations with municipalities• Site assessments and selection of private garden locations• Drafting of Agreements, Release Forms, etc.
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Project Timeline Spring 2015•Public Works Training Workshop•Residential Workshop•Plant 2 Public Demonstration Rain Gardens•Plant 5 Private Rain Gardens•Volunteer Recruitment/ Resource Team
Summer 2015•Evaluate Successes and Lessons from Phase 1
Fall 2015 – Spring 2016•Plant Final 5 Private Rain Gardens (Fall)•Plant 3 Public Gardens (Fall and Spring)•Final Program Evaluations and Reporting
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First Workshop and PlantingSeptember 2014 in Haverford, PA
• 2 days, 60 attendees• Started with an hour long
workshop focused on stormwater management issues in Delaware County and the installation of rain gardens
• After workshop, attendees helped to plant the rain garden
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First Workshop and PlantingSeptember 2014 in Haverford, PA
• Rain garden area was pre-dug and prepped for planting
• Landscape design was color coded
• Plant trays were color coded to match
• Volunteers were able to easily match plants to planting areas and planted section by section
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• Highly Visible Municipal Locations• Selected from list of sites recommended by each
municipality• Libraries, Township Buildings, Schools, Fire
Station• EAC or Public Works Crews Maintain• Access to water • Accessible to Public• Educational Signage
Public Garden Selection
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Design/Construction• 3 sites selected for 2015• Constructions Plans drafted by Rain Garden
team and reviewed by Borough Engineer• Plant selection and design completed by Rain
Garden Team• Purchase a tiller• Collaborate with Public Works to Prepare Site
for Planting • Recruit volunteers to assist with planting
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Public Garden Selection
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Yeadon Library
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Sharon Hill
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Norwood
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Private Garden Selection• Online survey for those interested in rain
garden on their property• 35 people completed survey, 21 site
assessments conducted• Assessment form was created to help rate
each location to determine suitability• Top scores 85 points, lowest score 48 points• Top 10 scoring properties will be selected for
rain gardens
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Rain Garden Assessment Form
Parameters Included:• Flood Prone Area• Visibility• Obstacles• Amount of Runoff• Amount Diverted• Soil Suitability• Overflow
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High Scoring Profile• Highly Visible, Corner Location• Excellent Sandy Loam Soil• Remove a curb discharge pipe• Easy to redirect runoff from roof, no major modifications or
construction• No underground utilities in area• Opportunity to redirect half of roof runoff to rain garden
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• Top scores were sent letters indicating property was selected
• Those properties not suitable were sent letters indicating why site was not chosen and other steps they might take on their properties
• All others were notified that they might be chosen in the second round
Private Garden Selection
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• Home Owners signs an agreement that outlines construction, operation and maintenance
• PA One Call• Cut Sod - homeowners• Dig and Plant Garden
• Pledge 4 hours of time to Pay It Forward
Private Garden Selection
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#1Mill
Road
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Ivy Rock Lane
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Clearfield “Roots”Ave
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Operation and Maintenance•Water until plants established•WEEDING •Debris and trash removal•Check for signs of erosion
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Operation and Maintenance
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The Darby Cobbs Stormwater Initiative: Getting to the New Normal
Jamie N. Anderson, Eastern Delaware County Stormwater Collaborative
Diana Andrejczak, Pennsylvania Resources Council
Nora Schmidt,Darby Creek Valley Association