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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

More Contact Info

  • Learn About Salmon in Portland Did you know Portland is working to recover and protect local endangered salmon?

  • Financial Assistance Need help paying your bill? Click here for information on financial assistance

  • We are Portland's sewer and stormwater services provider.

  • We work to protect and improve watershed health.

  • We plan, design and construct system improvements.

  • We work with industries to pretreat wastewater and manage stormwater onsite.

  • Learn more about the stormwater discount program.

  • We are committed to providing meaningful access.

Our Mission Statement

Environmental Services protects public health, water quality and the environment. We provide sewage and stormwater collection and treatment services to accommodate Portland's current and future needs. We protect the quality of surface and ground waters and conduct activities that plan and promote healthy ecosystems in our watersheds.

City Green Blog View all »

  1. Apr 10

    April showers bring…trees!

    April is the perfect time to celebrate trees, and your last chance to get a Treebate until September!

  2. Mar 29

    You're Invited! SW Watersheds Open House

    Learn how we're working with partners to improve fish and wildlife habitat and infrastructure in SW Portland

  3. Mar 27

    Alien Plant Invader: Lesser Celandine

    Learn how to spot and remove this troublesome invasive plant

  4. Feb 23

    Johnson Creek Watershed Council’s 20th Annual Watershed Wide Volunteer Restoration Event

    The event will span ten locations and takes place Saturday, March 3rd, from 9 a.m. to Noon

  5. Feb 6

    Be a Stormwater Star! Workshops Coming up in February, March, and April

    The annual Stormwater Stars workshop series offers free stormwater management instruction and resources to Portland-area residents

Treatment Plant Tour

The Columbia Boulevard Wastewater Treatment Plant is Oregon's largest water reclamation facility. Come and see firsthand how the plant works. Book individual or group tours at http://www.portlandoregon.gov/bes/tours. For more information, call 503-823-2400.

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