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Reclaiming Flood Storage during        Redevelopment               Geoffrey M. Goll, P.E.                    Vice Presiden...
Floodplain EnvironmentsFlood Control has been the mantra for NJ for over 250 yearsJust like most disasters, flooding can b...
DisastersLambertville, NJ 2004
Encroachment into the Floodplain        2007, NJDEP 1905, USGS Passaic Quadrangle                  1930, NJDEP
Urban Stream Evolution Model                                                  Floodplain                                  ...
Passaic River Basin Example of Encroachment    Between 1985 and 1995, nearly 300 acres of forest turned    to urban land—a...
So, what is wrong with our older  flood control systems today?
SUSTAINABILITY“When we are unaware of, ignore, or are wasteful   in our relationship to the interaction of water  with oth...
We’re Never Going Back……                   National Geographic
…..but, we can mitigate the impacts     to ourselves over time….  …..as long as the process starts   now and is steady ove...
SUSTAINABILITY        andGreen Infrastructure
SUSTAINABILITY   Does nature look like this?                        OR
SUSTAINABILITY   Or this?      De-channelization                           Run-of-the-river Dam Removal                  ...
SUSTAINABILITY   Culvert Enlargement
Stream Day-lighting       and De-channelizationDepot Park, Englewood, NJ
Day-lighting
Petty’s Run, Trenton, NJStream Daylighting and Culvert Enlargement
Petty’s Run, Trenton, NJStream Daylighting and Culvert Enlargement
How do we get there?   This is a marathon, not a race. Need to plan for the next 50    years, but it is essential to star...
Final Words “ASCE does not support the development orsignificant redevelopment of communities below    sea level or in hig...
Thank you. Geoffrey M. Goll, P.E.     Vice President Princeton Hydro, LLCwww.PrincetonHydro.com
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NJ Future Forum 2012 Flooding Goll

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NJ Future Forum 2012 Flooding Goll

  1. 1. Reclaiming Flood Storage during Redevelopment Geoffrey M. Goll, P.E. Vice President Princeton Hydro, LLC www.PrincetonHydro.com
  2. 2. Floodplain EnvironmentsFlood Control has been the mantra for NJ for over 250 yearsJust like most disasters, flooding can bedevastating………………
  3. 3. DisastersLambertville, NJ 2004
  4. 4. Encroachment into the Floodplain 2007, NJDEP 1905, USGS Passaic Quadrangle 1930, NJDEP
  5. 5. Urban Stream Evolution Model Floodplain Dam w/ Diversion Filters Runoff Culverted & Sediment Wildlife TributariesProgression of Urbanization Corridor Source of Organic Material & Shade Original Stream Channel Fill Bridge Piped Direct Retaining Wall Drainage Discharges Channelized Channel Concrete Liner Culvert Culvert
  6. 6. Passaic River Basin Example of Encroachment Between 1985 and 1995, nearly 300 acres of forest turned to urban land—a trend repeated between 1995 and 2002, and again from 2002 to 2007.11. NJDEP, Report to the Governor: Recommendations of the Passaic River BasinFlood Advisory Commission, January 2011
  7. 7. So, what is wrong with our older flood control systems today?
  8. 8. SUSTAINABILITY“When we are unaware of, ignore, or are wasteful in our relationship to the interaction of water with other natural resources, water can become a waste product and potentially a powerful source of destruction.” Patchett and Wilhelm, “Culture and Ecology of Water”, 1999.
  9. 9. We’re Never Going Back…… National Geographic
  10. 10. …..but, we can mitigate the impacts to ourselves over time…. …..as long as the process starts now and is steady over time.
  11. 11. SUSTAINABILITY andGreen Infrastructure
  12. 12. SUSTAINABILITY Does nature look like this? OR
  13. 13. SUSTAINABILITY Or this? De-channelization Run-of-the-river Dam Removal OR Milone & McBroom Princeton Hydro
  14. 14. SUSTAINABILITY Culvert Enlargement
  15. 15. Stream Day-lighting and De-channelizationDepot Park, Englewood, NJ
  16. 16. Day-lighting
  17. 17. Petty’s Run, Trenton, NJStream Daylighting and Culvert Enlargement
  18. 18. Petty’s Run, Trenton, NJStream Daylighting and Culvert Enlargement
  19. 19. How do we get there? This is a marathon, not a race. Need to plan for the next 50 years, but it is essential to start now. Create a plan and set the example for the next generation….Start a pilot project. Municipalities need to actively take advantage of grants over time. Opportunities with Federal and State agencies… USACE , FEMA, NOAA, NRCS, NJDEP.  Buyouts (first priority)  Floodplain Restoration  Raising of structures (last priority)
  20. 20. Final Words “ASCE does not support the development orsignificant redevelopment of communities below sea level or in high-risk, flood-prone areas because such development is inherentlyunsustainable and puts the public at unnecessary risk for loss of life and property.” ASCE, Adopted by the Board of Direction on April 24, 2007
  21. 21. Thank you. Geoffrey M. Goll, P.E. Vice President Princeton Hydro, LLCwww.PrincetonHydro.com

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