Chapman's Green Street Stormwater Demonstration Garden, Portland, OR
Posted by: Groundspeak Premium Member Queens Blessing
N 45° 31.953 W 122° 42.297
10T E 523038 N 5042155
This demonstration garden provides education and science behind a stormwater or "rain" garden.
Waymark Code: WMGT6R
Location: Oregon, United States
Date Posted: 04/07/2013
Published By:Groundspeak Regular Member J.A.R.S.
Views: 7

This is a "rain garden", which collects the water that runs off of the land and from the streets and sidewalks, and filters the water thru the grasses, vegetation and ground in this low-lying area. It helps prevent at least a portion of the water and the pollutants from entering the stormwater drainage system, and from ending up in our rivers and waterways.

The system relies on a series of depressions in the earth to slow down the water, and when the water in the first depression (called a cell) becomes too high, it spills over into the next depression, and so on, and each step is intended to further reduce the amount of water and pollutants.

Part of the text from the information sign:

"Green Street Stormwater Facility

Portland's average rainfall of 37 inches a year generates about 20 billion gallons of stormwater runoff and, if not properly managed, washes pollution into rivers and streams, causing flooding and erosion, destroys habitat and contributs to combined sewer overflows (CSOs). The City of Portland promotes onsite surface stormwater management techniques that mimic natural conditions by capturing and filtering stormwater using soil and vegetation."

(visit link)
Address:
Chapman School
1445 NW 26th Ave
Portland, OR United States
97210


Educational programs: Yes

Demonstration garden's website:: [Web Link]

Visit Instructions:
All logs must be the result of an actual visit to the demonstration garden.

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A photo of one of your favorite elements of the garden would also be a nice addition, but not mandatory.
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