WHY BUILD A RAIN GARDEN?
When the land that is present day Seattle was a forest, falling rain was slowed by needles and leaves, and slowly soaked into spongy soils held together by the roots of trees and understory plants.
Now, rain that falls on our roofs, roads, driveways and compacted soils, collects quickly. Then, runs off down ditches and pipes. During big rain storms this “storm water” can back up and flood homes, cause sewer overflows, and erode hillsides and stream banks. It also carries dirt, oil and metals from cars, lawn chemicals, cleaners and pet waste into Seattle’s salmon- spawning streams and swimming beaches.
We can all slow the flow and help to clean the rain runoff from our cummunity by taking simple steps that make our home landscapes act more like a forest. For example, you can redirect stormwater from your roof or driveway to flow into a rain garden instead of a local street or sewer!
ANATOMY OF A RAIN GARDEN
Rain gardens are shallow depressions that can hold and infiltrate runoff from roofs and driveways.
Carefully planned Native Plants populate the garden and they are layered with mulch and
special bio-retention soil to help the rain water soak in and filter back into the natural aquifer.
HELP THE ENVIRONMENT! CLEAN OUR WATER! ENHANCE YOUR YARD!
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