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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

  • Portland's wastewater and stormwater management utility

  • working with industries to pretreat wastewater discharges and manage stormwater onsite

  • protecting and improving watershed health

  • operating and maintaining wastewater and stormwater collection and treatment facilities

  • planning, designing, constructing public sewer improvements

  • business opportunity program, required sewer connection, stormwater discounts

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 22

    Mussels on the Move

    2,000 native creatures moved out of the Crystal Springs construction zone

  2. Jul 21

    Get Out and Explore Tryon Creek

    Activities with the Friends of Tryon Creek this summer

  3. Jul 18

    Citizen science opportunity with the Johnson Creek Watershed Council

    Volunteers needed to survey beaver activity

  4. Jul 14

    "The Cultivated Facade" - Check out Architectural Record's recent green wall article

    The article features the Portland Expo Center Green Wall

  5. Jul 12

    Wetland Restoration at Lower Errol Heights

    Beginning this week, a tributary of Johnson Creek in Southeast Portland will be enhanced to reconnect valuable fish habitat

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.