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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. 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

  2. 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

  3. Jan 24

    Tryon Creek Watershed Wide Event: sign up now for Feb. 10

    Join the Tryon Creek Watershed Council on Saturday February 10th for their biggest volunteer day of the year.

  4. Dec 19

    Free Grant Application Workshops for Community Watershed Stewardship Program

    Two upcoming workshops will take place January 7th and January 20th

  5. Dec 14

    Nature in the city: Can trout and salmon thrive in Tryon Creek? New study is encouraging.

    Tryon Creek is one of the major remaining free-flowing tributaries of the Lower Willamette River. New research shows just how healthy it is for cutthroat trout, and that’s important for the future of trout as well as for prospects to restore salmon to Tryon Creek.

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 For more information, call 503-823-2400.