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"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program
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"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" by Emily Vail, NYSDEC Hudson River Estuary Program

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"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" presentation by Emily Vail of NYSDEC Hudson River Estuary Program from the 4/13/12 Columbia-Greene Revitalizing Hudson …

"Green Infrastructure to Manage Combined Sewer Overflows and Flooding" presentation by Emily Vail of NYSDEC Hudson River Estuary Program from the 4/13/12 Columbia-Greene Revitalizing Hudson Riverfronts forum.

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  • 1. New York State Water Resources Institute Using  Green  Infrastructure  to  Manage  Combined  Sewer  Overflows  and  Flooding     Emily  Vail   Hudson  River  Estuary  Program   NYS  Department  of  Environmental  ConservaGon   Cornell  University  NYS  Water  Resources  InsGtute   NYS Department of Environmental Conservation
  • 2. PresentaGon  Outline  •  Hudson  River  Estuary   Program  •  Combined  sewer   overflows  (CSOs)  •  Impact  of  stormwater    •  Green  infrastructure•  Municipal  programs  and   economic  benefits  
  • 3. Hudson  River  Estuary  Program  Core  Mission  •  Ensure  clean  water  •  Protect  and  restore  fish,   wildlife,  and  their  habitats  •  Provide  water  recreaGon   and  river  access  •  Adapt  to  climate  change  •  Conserve  world-­‐famous   scenery     NYS Department of Environmental Conservation
  • 4. Importance  of  Watershed  Thinking  •  It’s  important  to  think  about  stormwater   management  from  a  watershed   perspecGve,  because  stormwater  travels  to   waterbodies  (and  can  lead  to  problems  if   not  managed  well)   The  land  and  water  that   drain  to  a  common  outlet   From  NEMO  
  • 5. What  is  a  Combined  Sewer  System?   Riverkeeper,  2011  
  • 6. What  is  a  Separated  Sewer  System?   Riverkeeper,  2011  
  • 7. CSOs  on  the  Hudson  Albany  Pool  -­‐  Albany,  Rensselaer,  Troy,  East  Greenbush,  Bethlehem,  &  Watervliet  Hudson  Catskill  Kingston  Poughkeepsie  Newburgh  Yonkers  
  • 8. Overflowing  Sewage•  Wet  weather  leads  to  overflows  •  Degrades  water  quality  •  Impacts  public  health,  water  recreaGon     Sanitary  sewer  overflows  in  Poughkeepsie  
  • 9. Stormwater  Carries  Pollutants•  Most  stream  impairments  in   the  region  due  to  polluted   runoff    •  TradiGonal  stormwater   management       –  Impervious    surface  -­‐>   storm  sewer  -­‐>  streams  •  Urban,  suburban,  and  rural   communiGes  
  • 10. Stormwater  Carries  Pollutants•  Water  quality  problems   –  Sediment     –  Nutrients     –  Road  salt     –  Oil/grease   –  Trash    •   Water  quan3ty  problems   –  Flooding   –  Erosion
  • 11. What  is  Green  Infrastructure?  •  Different  approach  to  stormwater  -­‐  natural  and   engineered  systems  that  mimic  nature  •  Manage  runoff  by   maintaining  or  restoring   natural  hydrology   –  allow  stormwater  to   infiltrate  and  be   used  by  plants  
  • 12. Gray  vs.  Green  Infrastructure  
  • 13. Green  Infrastructure  •  Regional  and  local  scales  •  Includes  “low  impact   development”  projects  •  Provides  mulGple  benefits   –  Slows  the  flow  of  runoff   –  Keeps  it  out  of  the  storm   sewer  system   –  Removes  pollutants  
  • 14. Green  Infrastructure  Requirements   •  August  2010  -­‐  Updated  New   York  State  Stormwater   Design  Manual   •  Chapter  5  –  Green   Infrastructure   •  New  development  –  reduce   runoff  using  green   infrastructure  first  
  • 15. NYS  Stormwater  Design  Manual    1.  Planning   A.  Preserving  natural   Avoid  stormwater   areas   B.  Reducing  impervious   Reduce  stormwater   surface  cover  2.  Green  infrastructure   Manage  stormwater   pracGces  
  • 16. Green  Infrastructure  Planning  •  Preserve  natural  areas  –  reduce  disturbance,   conservaGon  design  •  Reduce  impervious  cover   TradiGonal  Subdivision              ConservaGon  Subdivision   Dutchess  County  Greenway  Guide  
  • 17. Green  Infrastructure  PracGces  •  Natural  features  and  engineered  pracGces  that   infiltrate  runoff  on-­‐site   –  Treat  stormwater  closer  to  where  the  rain  falls    •  Examples  on  HREP   website:   hdp://www.dec.ny.gov/ lands/58930.html  
  • 18. Rain  Gardens  &  BioretenGon  Areas  •  Shallow  depression  of  soil  and  plants,  filters  runoff  and   slows  its  flow   Ulster  County  Dept.  of  the   Vassar  College,  Poughkeepsie   Environment,  Kingston  
  • 19. Green  Roofs  •  Layers  of  soil  and  vegetaGon  on  rooiops  that  capture  runoff   Rensselaer  County  Master     Marist  College,  Poughkeepsie   Gardeners  shed,  Wynantskill  
  • 20. Porous  Pavement  •  Paved  surfaces  that  allow  stormwater  to  infiltrate    Sojourner  Truth  Ulster  Landing   NYS  Parks,  RecreaGon  &  Historic   County  Park,  SaugerGes   PreservaGon,  Staatsburg  
  • 21. Rain  Barrels  or  Cisterns  •  Capture  and  store  rooiop  runoff  to  re-­‐use  for  watering  plants   and  other  uses   Childrens  Garden  at  Boyce  Park,   Wingdale   Greenburgh  Nature  Center,  Westchester  
  • 22. Stream  Buffer  RestoraGon  •  VegetaGon  along  streams  improves  stream  health,  filters/ slows  polluted  runoff,  many  other  benefits   Wallkill  River,  Gardiner   Whaley  Lake  Stream,  Beekman  
  • 23. Other  Green  Infrastructure  PracGces   •  DisconnecGng  rooiop  runoff   •  Stormwater  planters   •  Vegetated  swales   •  Tree  planGng/street  trees   •  Stream  daylighGng   NYS  Parks,  RecreaGon  &  Historic   Ardsley,  Westchester   PreservaGon,  Staatsburg  
  • 24. Benefits  of  Green  Infrastructure  •  Manage  stormwater  (quality  and  quanGty)  •  Recharge  groundwater  •  Reduce  CSOs,  reduce  wastewater  treatment  costs  •  Cool  urban  areas  –  energy  savings  •  Provide  wildlife  habitat  •  Improve  air  quality  •  Improve  human  health  •  Increase  land  values  •  BeauGfy  neighborhoods  
  • 25. ImplemenGng  Green  Infrastructure  •  Homeowners,  watershed   groups,  neighborhoods,   regional  planners,  businesses,   and  •  MunicipaliGes   –  Planning   –  Codes/ordinances  to   encourage,  incenGvize,  or   require   –  DemonstraGon  sites   SUNY  Orange,  Middletown  
  • 26. Green  Infrastructure  to  MiGgate  CSOs  •  New  York  City  •  Philadelphia,  PA  •  Syracuse,  NY  •  Portland,  OR  •  Seadle,  WA  •  Milwaukee,  WI  •  Kansas  City,  MO      *  CiGes  highlighted  in  NRDC’s  Roo#ops  to  Rivers  II    
  • 27. Green  Infrastructure  Saves  Money  •  New  York  City  (over  20  years)   –  Overall  cost:     Green  -­‐  $5.3  billion     Gray  -­‐  $6.8  billion   –  Per  gallon  of  CSO  reduced:     Green  -­‐  ~$0.45     Gray  -­‐  ~$0.62    •  Philadelphia  (over  40  years)   –  Green  -­‐  $2,846.4  million  in  benefits   –  Gray  -­‐  $122.0  million  in  benefits  
  • 28. What  can  you  do?   •  Plan  for  GI   •  Incorporate  into  CSO  Long   Term  Control  Plans     •  Review  codes/ordinances  –   Beder  Site  Design  Worksheet   •  Visit  local  GI  pracGces   •  Submit  projects  for  website   •  Build  demo  projects   •  Restore  stream  buffers  with   Trees  for  Tribs  
  • 29. New York State Water Resources Institute Emily  Vail   Watershed  Outreach  Specialist     eevail@gw.dec.state.ny.us     (845)  256-­‐3145       Hudson  River  Estuary  Program   New  York  State  Department  of  Environmental  ConservaGon  In  cooperaGon  with  Cornell  University  NYS  Water  Resources  InsGtute   NYS Department of Environmental Conservation

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