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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Protecting Watershed Health in Southwest Portland


Environmental Services and Portland Parks & Recreation have worked together since 2011 in the River View Natural Area to remove invasive plants, close and reroute some trails, and remove trash. This winter, reforestation crews will plant more than 50,000 native tree and shrub seedlings in the natural area. Portland Parks is also developing a natural area management plan that will be ready for public review in March.


The West Multnomah Soil & Water Conservation District is working withRiverViewCemetery andLewis & ClarkCollege to restore forested and natural areas on these private properties. Environmental Services is helping get these projects started this fall with invasive plant removal to protect forest canopy and keep invasive weeds from spreading into the adjacent River View Natural Area.

Revegetation crews have removed invasives on 22 areas at River View Cemetery. At Lewis & Clark, crews will remove ivy and clematis vines on 23 acres in late December. Next year, invasive removal will focus on blackberry, laurel, holly, ivy, and other invasives on the ground. Conservation district crews will plant native trees and shrubs after invasive plants are controlled.

Want to learn more? Visit the Watershed Revegetation Program and the River View Natural Area websites. 


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Spam Prevention In the Pacific Northwest, what state is Portland in?