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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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Slough 101 Coming in March


Do you live, work or play near the Columbia Slough?  Join the Columbia Slough Watershed Council for the annual Slough 101 workshop on Saturday, March 12th, 2016 from 9:00AM-12:45PM.


This free hands-on workshop explores the unique character, challenges and opportunities of the urban Columbia Slough watershed.  You’ll learn about soil & sediment in relation to water quality, how the Slough has changed over time, and what the changes mean for fish, wildlife, people and businesses.  Open to everyone interested in learning more about the Columbia Slough watershed.

Pre-registration required at

Hands-on activities include:

  • Explore Macroinvertebrates (water bugs) that live in the Slough.
  • Simulate and predict aquifer conditions with an interactive groundwater model.
  • Test water quality through dissolved oxygen, temperature, and PH levels.
  • Tour the water pollution control lab facility.

Workshop participants try to identify macroinvertebrates

collected from the Columbia Slough.

Slough 101

When and Where:

Date: Saturday, March 12, 2016
Time: 9:00AM – 12:45PM (Registration begins at 8:45AM)
Location: City of Portland Water Pollution Control Lab |
6543 N Burlington Ave, Portland, OR 97203



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