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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

More Contact Info

  • Planning Some River Recreation? Check the Recreation Index.

  • 100% Waste Methane Recovery. Learn more.

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

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

  • We work to protect and improve watershed health.

  • Tour Portland's wastewater treatment plant. Learn more.

  • We plan, design and construct system improvements.

  • Learn more about the stormwater discount program.

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. Jul 13

    Alameda Stairs: Healthy, Certified Backyard Habitat

    The neighborhood project is the first public space to achieve the designation from the Backyard Habitat Certification Program

  2. Jul 13

    Alameda Stairs: Healthy, Certified Backyard Habitat

    The neighborhood project is the first public space to achieve the designation from the Backyard Habitat Certification Program

  3. Jun 28

    Alien Plant Invader: Japanese Butterbur

    An update on successful efforts to fight this plant, and what you can do to help

  4. Jun 12

    Environmental Services Tree Program and partners add 3,700 New Trees to Portland’s Canopy in 2017

    After a snowy winter, a word of thanks to the staff, volunteers, and property owners that got involved.

  5. Jun 12

    Volunteers needed! Explorando el Columbia Slough – a bilingual nature festival

    Saturday, June 24, 1-5pm, volunteer shifts vary, Colwood Golf Course, 7323 NE Columbia Blvd.

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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