Dodson 2011 09-26
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Transcript of Dodson 2011 09-26
Green Infrastructure:A Truly Public Utility
Khris DodsonEnvironmental Finance Center, Syracuse University
serving EPA region 2September 2011
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Cisterns have been around for a long time…
What is old is new again…
Rain has always been a resource!
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But this is not your grandma’s rain barrel…
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Communicating with the Public
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6Understanding CSOs
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CombinedSewer
Interceptor Sewer to Wastewater Treatment
Facility
SanitarySewer
CreekDry Weather
Flow
Catch Basin
During dry weather, sanitary flows are collected in combined sewers for treatment at Wastewater treatment facilities
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8During wet weather, inflows exceed the collection system’s capacity and trigger a CSO
CombinedSewer
Interceptor Sewer to Wastewater Treatment
Facility
SanitarySewer
Creek
Catch Basin
Combined Sewer
Overflow
Stormwater Runoff
Roof Leaders
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9Green solutions intercept and reduce stormwater flows to sewers, providing storage, infiltration, and treatment
Vegetated Swale
Combined Sewer
Interceptor Sewer to Wastewater Treatment
Facility
SanitarySewer
CreekDry Weather
Flow
Porous Roadway
Stormwater Runoff
Roof Leader
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Syracuse: A case study
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11History
Onondaga Lake Facts
Watershed: 285 Square
Miles
1 Mile Wide – 4.6 Miles
Long
Average Depth: 35 feet
Max Depth: 63 feet
1940 – Swimming Banned
1970 – Fishing Banned
• 1988 – Atlantic States Legal Foundation files lawsuit against County
• 1989 – Litigation settled through METRO consent judgment
• 1998 – METRO consent judgment replaced with Amended Consent Judgment (ACJ)
• 1st ACJ amendment May 1998
• 2006 ACJ Amended to include consolidation of ammonia and phosphorus treatment and Harbor Brook conveyances and RTF
• 3rd Amendment April 2008 (Extension)
• 2009 ACJ amended to authorize use of Gray and Green infrastructure
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Mid
lan
d A
ve R
TF
CSO Storage, Treatment and Conveyance Project
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Conveyance project under construction through south side neighborhoodcausing significant disruption
ConveyanceTrench
Conveyance PipingAwaiting Installation
CSO 044
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Large diameter conveyance pipeline dwarfs front end loader and operator
Environmental Justice
Green Infrastructure means…
• Injustice of Midland plant will not be repeated
• Onondaga Creek & Harbor Brook will be
cleaner• Community investment and beautification instead
of further disruption
Green Infrastructure
• Solution to capacity problems with underground storage – reduce the rain!
• Proposed by Onondaga Nation
Partnership for Onondaga Creek2010 - [email protected]
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• During 2008 and 2009 the POC, Syracuse University and SUNY-ESF cooperated to obtain over 200 surveys among five neighborhoods of the Midland and Clinton Sewershed to assess public attitudes toward Green Infrastructure (GI) Implementation.
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Education & OutreachSave the Rain means…
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…being enthusiastic!
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21Bringing people together…
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24Save the Rain Outreach Programs
• Workshops▫ Intro to GI for Businesses▫ GI for New Homeowners▫ Community Workshop▫ Rain Barrel ▫ Landscape Professionals▫ Pervious Products▫ GI for Youth▫ GI and Art for Children▫ Nature in the City▫ High school classrooms▫ Exhibiting at Events
Design CharettesDemonstration Projects
…and the Green Improvement Fund for Businesses too!
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25Brochures, activity books, bookmarks, and a board game: “Raindrop Run”
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Contact me:
•Khris DodsonCommunications and Program ManagerEnvironmental Finance [email protected]
www.savetherain.us