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The City of Portland, Oregon

Portland, Oregon

Welcome to the official web site of the City of Portland, Oregon

General Information: 503-823-4000


1221 SW 4th Avenue, Room 110, Portland, OR 97204

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Slough 101

This Saturday, join the Columbia Slough Watershed Council at Slough 101

Slough 101 is a hands-on introductory workshop, led by local experts, that’s dedicated to our beautiful watershed.  It covers the local history, watershed health, abundant wildlife, recreational access, and more!  The workshop also includes levee and pump station tours and fascinating macro-invertebrate identification. 

Slough 101 is free and perfect for adults and teens 14 and up!

The workshop is sponsored by the Bureau of Environmental Services and the Portland Water Bureau.

Check out the Columbia Slough Watershed Council’s website to register for the event. 

Slough 101

Saturday, March 14, 9 am – 12:45 pm

Multnomah County Drainage District #1

1880 NE Elrod Dr.