Innovative Approaches to Managing Stormwater: The Hoboken Approach
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Jennifer Gonzalez, city planner at the City of Hoboken shines a light on how the city handles stormwater and shows the problem areas during the Learning Lunch on September 19th.
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Innovative Approaches to Managing Stormwater: The Hoboken Approach
- 1. Innovative Approaches to Managing Stormwater: Lessons from Rotterdam, New Jersey and New York Learning Lunch: Monday September 19, 2016 City of Hoboken, New Jersey
- 2. Population: 52,575 Households: 26,855 Real Property Ratable Base: $9.7 Billion Land Area: 1.275 Square Miles Hoboken, New Jersey
- 3. Landmass within Flood Zone (A): 63.85% Landmass within Flood Zone (V): 7.41% Landmass within Flood Zone (X): 7.66% Hoboken NFIP Total Liability: $1,922,187,500 Hoboken NFIP Annual Premiums: $5,984,720 Flood Risk
- 6. Rain Event January 4, 2016
- 7. Rebuild by Design Hudson River: ▪ Resist ▪ Delay ▪ Store ▪ Discharge ▪ REBUILD BY DESIGN ▪ RESIST ▪ DELAY ▪STORE ▪ DISCHARGE ▪ HUDSON RIVERHOBOKEN WEEHAWKEN JERSEY CITY │ NEW JERSEY
- 10. Rainfall model depicting a 5-year rainfall event (high-tide) “No Action Alternative.” Model estimates future flood (rainfall) event if Project is not built. Model assumes Hoboken and NHSA’s existing on-going initiatives WILL be built: • Southwest Park • H1 and H5 Pump Stations • Washington Street Rain Garden • City Hall Green Infrastructure Washington Street Rain Gardens H5 Pump Station City Hall GI Project H1 Pump Station Southwest Park Areas that Flood
- 11. Southwest Park
- 15. H1 and H5 Pump Stations
- 21. Baseline Conditions (NAA) Proposed DSD Alternative Washington Street Rain Gardens H5 Pump Station City Hall GI Project H1 Pump Station Southwest Park BASF Site NJ Transit Site Block 10 Site
- 22. BASF Site NJ Transit Site Block 10 Site Proposed underground detention facilities with green/open space on ground surface with discharge features such as pumps to manage rainfall runoff volume ROW Green/Grey Infrastructure Practices ‐ Total of 61 sites to manage street drainage for approx. 13 acres NJ Transit site ‐ Manages rainfall runoff for approx. 15 acres Block 10 site ‐ Manages rainfall runoff for approx. 8 acres BASF site ‐ Manages rainfall runoff for approx. 55 acres
- 27. • Integrated flood management solutions to complement RBD • Proposed a combined surface and sub-surface plan to utilize 4 contiguous acres of the 6-acre BASF site that would include: • Stormwater detention facility • Underground parking garage • Surface park space • Integrated green infrastructure Re.Invest
- 28. N Northwest Park
- 29. • Create an “ecological zone” in part of the H6 and H7 drainage areas • Would install new storm sewer infrastructure to separate the currently combined system • Stormwater would flow to the BASF site where solids and floatables would be removed • Stormwater would be detained under BASF site until the detention facility is at capacity • New stormwater pump station on BASF site would pump to a new outfall in Weehawken Cove • Engineered wetlands in Cove would filter stormwater NHSA Eco-Zone
- 30. Jennifer Gonzalez AICP, ENV SP Principal Planner City of Hoboken jgonzalez@hobokennj.gov www.hobokennj.gov https://www.facebook.com/hoboken https://twitter.com/cityofhoboken https://www.instagram.com/hobokennj https://vimeo.com/hobokennj https://www.flickr.com/photos/hoboken Thank you!