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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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REMINDER! Free Ecoroof Seminars


The City of Portland Environmental Services is again offering FREE technical workshops for practicing or aspiring professionals interested in learning more about ecoroofs in Portland.


Ecoroof Seminars

Friday, November 15th  


Ecotrust - Billy Frank Jr. Conference Room (2nd Floor)

721 NW 9th Avenue



Material in this seminar will be specific to Portland, Oregon, and will cover technical information on the following topics:

  • Ecoroof fundamentals
  • Ecoroof design, construction, and permitting 
  • Ecoroof structure and materials
  • Vegetation and soil
  • Operations and maintenance
  • Monitoring and research

Continuing education credits will be available through ASLA and Oregon Landscape Contractor's Board. To register, please send an email to or call 503-823-7863. You'll receive a confirmation email with further details as we approach the event dates.  


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