Lower Columbia River Field Guide to Water Quality Friendly Development
  IntroductionWhy Is This Important?Techniques and ExamplesIntegrated Site ExamplesResourcesSubmit a Site
             
 

Reduced Impervious Surfaces
Narrow or shared driveway
Narrow parking lot spaces
Narrow travel lanes


Permeable Surfaces
Permeable pavement
Permeable pavers
Turf block
Gravel
Cobbles

Roof Systems
Ecoroof
Roof garden

Rainwater Harvesting Systems
Rain Barrels
Cisterns

Landscape Systems
Trees
Contained planter box
Infiltration planter box
Flow-through planter box
Vegetated/grassy swale
Vegetated filter strip
Vegetated infiltration basin
Sand filter


Subsurface Systems
Soakage trench/dry wells/French drain

Conveyance
Downspout disconnection
Curb alternatives


   

Roof Garden

Site:
Avalon Hotel
Owner:

Address:
0455 SW Hamilton Court
Portland, OR 97239
Contact:

  

Comments:
Private residence courtyards atop the Avalon Hotel are well landscaped with a variety of trees and other vegetation that decreases the runoff generated by the roof.

 



Site:
200 Market Building
Owner:

Address:
200 SW Market Street
Portland, OR 97201
Contact:


  

Comments:
An award winning landscape design incorporates grass and trees in a lush roof garden surrounding the main tower. Roof gardens like this minimize stormwater runoff as well as decreasing the urban heat island effect.


Site:
Crown Plaza
Owner:

Address:
1500 SW First Avenue
Portland, OR 97201
Contact:


  

Comments:
Large trees, shrubs, grassy area and outdoor seating make for a pleasant outdoor space atop two levels of the Crown Plaza office building in SW Portland.


Site:
Portland Marriott City Center
Owner:
Marriott International Inc.
Address:
1401 SW Naito Parkway
Portland, OR 97201
Contact:
503.226.6300

  

Comments:
A tropical theme surrounds a rooftop courtyard. While not specifically designed for stormwater management, the large tress and shrubs still capture, absorb, and evapotranspirate stormwater.


Site:
Portland State University Native American and Student Community Center
Owner:
Portland State University
Address:
710 SW Jackson
Portland, OR 97207
Contact:
Michele Crim
503.725.3738

  

Comments:
This 7000 square foot roof garden utilizes plants important to Eastern Oregon tribes and includes a plaza area, walkway, and art to make the roof an inviting, public place.

Site:
Anderson Roofing
Owner:
Anderson Roofing
Address:
5885 NW St. Helens Road
Portland, OR 97210
Contact:
Doug Christie
503.249.0202

  

Comments:
While not designed for stormwater management, a vegetable garden on top of Anderson Roofing creates a create deal of greenery to absorb stormwater during the growing season. Profiled in October 9, 2003 The Oregonian, Home and Gardens Section.


Site:
Typical Roof
Owner:

Address:
Anywhere
Contact:


  

Comments:
A typical roof provides no stormwater management, and reflects summer heat, increasing the temperatures in urban areas.