NE Siskiyou Green Street

Portland, Oregon, U.S.A.

Project Facts

  • The NE Siskiyou Green Street curb extensions include a series of mini-dams.
  • Water cascades from one “cell” to another within the dams until the curb extensions reach storage capacity.
  • The Green Street can manage 225,000 gallons of stormwater runoff per year.
  • The curb extensions converted 590 square feet of pavement into green landscape.
  • Similar green streets can be built for under $20,000.
  • Seattle Green Living Expo 2006 was hosted by High Point.


  • Urban
  • Street
  • Parking

Environmental Benefits

  • Captures Water
  • Circulates Water
  • Cleans Water
  • Conserves Water
  • Ecologically Manages Stormwater
  • Reintroduces Native Plants
  • Sequesters C02