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OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
OC harbor brook wetlands stakeholder 6 15-11 final-1
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OC harbor brook wetlands stakeholder 6 15-11 final-1

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The Harbor Brook CSO 018 Constructed Wetlands Pilot Treatment System Project serves the dual purposes of treating CSO 018 overflows currently discharged into Harbor Brook while also acting as a …

The Harbor Brook CSO 018 Constructed Wetlands Pilot Treatment System Project serves the dual purposes of treating CSO 018 overflows currently discharged into Harbor Brook while also acting as a demonstration project to test the effectiveness of three types of constructed treatment wetland systems.

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  • Used 2 lift paving approachATPB + porous
  • Transcript

    • 1. Prepared for:
      Onondaga County, Syracuse, New York
      Prepared by:
      2011
      Onondaga County CSO Program:Gray-Green InfrastructureHarbor Brook CSO 018 Constructed Wetlands Pilot Treatment SystemJoanne M. Mahoney, County Executive
      and
    • 2. History
      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
      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
    • 3.
    • 4. Save the Rain Program: 2009-2018
      Regulatory Goals
      • Capture and Treat 95% of the Annual CSO Volume via Gray & Green Infrastructure
      • 5. Achieve water quality standards in tributaries and lake
      Community Impacts/Goals
      • Improve quality of life
      • 6. Promote Sustainability
      • 7. Ensure cost effectiveness in compliance with ACJ milestones
      Major Milestones
      • 89.5% capture/elimination by 12/31/2013
      • 8. 95% capture/elimination by 12/31/2018
    • Gray Infrastructure Program Summary
      Gray Projects
      • Harbor Brook Interceptor (ARRA)
      • 9. Midland Conveyance (CSO 044)
      • 10. Clinton Storage Facility and Electrical Ductbank
      • 11. Harbor Brook Storage Facility and Conveyances
      • 12. Erie Boulevard Storage System (EBSS) Gate Chamber #3 Improvement
      • 13. Sewer separation projects
      • 14. Floatables Control Facilities
    • Gray Project Construction Schedule
      CSO 022/045 Sewer Separation
      Consent Order Milestones: Complete Construction: 12/31/12
      Construction Period: September 2011 – June 2012
       
      Clinton Storage Facility
      Consent Order Milestones: Commence Construction: 10/1/11
      Complete Construction: 12/31/13
      Construction Period: August 2011 – December 2013
       
      Lower Harbor Brook Conveyances:
      Consent Order Milestones: Commence Construction: 12/31/11
      Complete Construction: 12/31/13
      Construction Period: September 2011 – June 2012
       
      Lower Harbor Brook Storage:
      Consent Order Milestones: Commence Construction: 12/31/11
      Complete Construction: 12/31/13
      Construction Period: October 2011 – December 2013
       
      Electrical Duct Bank on West Fayette Street ( Part of Clinton Storage Project)
      Consent Order Milestones: N/A
      Construction Schedule: July 2011 – October 2011
    • 15. Harbor Brook Storage Project
      4.8 Million Gallons of storage (sub-surface)
      N
      Designed to capture rain water for system flushing/cleaning
      State Fair Blvd
      Captures
      CSO 003, 004, 063
    • 16. Green Infrastructure Program
      Save the Rain Program
    • 17. 6.3% Capture Using Green Infrastructure - Green 470 acres and reduce 247 MG/yr of CSO by 2018
    • 18. Dept. of Transportation Parking Lot
    • 19. Manages adjacent impervious areas
    • 20. City Lot #3 - Before
    • 21. Parking Lot #3
      Erie Boulevard
      Erie Boulevard
      Warren Street
      James Street
      Warren Street
      James Street
      Porous Concrete
      Captures over 700,000 gallons of stormwater annually
    • 22. Roadways - Green Streets for Road and Utility Improvement / Reconstruction
    • 23. CSO Treatment Wetland Project
      CSO 018
      Constructed Wetland
      Harbor
      Brook
    • 24. Pilot Treatment System Benefits
      Pilot system will provide immediate water quality improvements:
      Grit and floatables (onsite at-grade structure)
      Bacteria
      Nutrients (nitrogen and phosphorus)
      Total suspended solids and BOD5
      Recommendation from pilot will result in a final permanent wetland treatment system
      Designed for 1-year, 2-hour storm event, but higher flows and volumes could be accepted
      May2011
      16
    • 25. Existing Site
      May 2011
      17
    • 26. Project Location
      The project is located along Harbor Brook on County property just south of Burnet Park on the west side of Syracuse near the Skunk City neighborhood.
      May 2011
      18
    • 27. Site Enhancement Ultimate Vision
      Grit and floatables removal of CSO 018
      Wetland treatment of CSO 018
      Improved water quality in Harbor Brook
      Community park?
      Educational resource?
      May 2011
      19
    • 28. Pilot Treatment Wetlands System
      March 2011
      20
      Surface Flow Wetland
      • Most closely resembles a natural wetland of robust native species
      • 29. Vegetated shelf and deep water zones to redistribute and aerate
      • 30. Medium to high storage volume
      • 31. High habitat value
      • 32. Low mosquito productivity
      • 33. Relatively low cost
    • First Step to Site Enhancement
      May 2011
      21
      Design and construction of a 2 acre full scale pilot treatment wetland system along Harbor Brook at Combined Sewer Overflow (CSO) 018.
      VELASKO ROAD
    • 34. Conceptual Rendering
      May 2011
      22
      Three types of wetlands will be constructed for pilot testing: Floating Wetland Island, Vertical Downflow, and Surface Flow.
    • 35. 11/18/2010
      23
      Conceptual Rendering
    • 36. Floating Wetland Islands
      May 2011
      24
    • 37. Vertical Downflow Wetlands
      March 2011
      25
    • 38. Surface Flow Wetland
      May 2011
      26
    • 39. Questions and Discussion
      May 2011
      27
    • 40. 11/18/2010
      28
      More information
    • 41. Thank You!
      Please Visit us atwww.SaveTheRain.us

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