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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. Nov 30

    Tonight: Community Open House for Stephens Headwaters Projects

    Join BES and Parks staff for a community open house at the Multnomah Arts Center any time between 5:30 and 7:00 pm

  2. Nov 1

    SOLVE offers two great opportunities to volunteer with green streets this weekend

    Both opportunities happen Saturday November 5th and will focus on cleaning up green street planters

  3. Oct 28

    Don't Forget, Tomorrow is No Ivy Day

    The 13th Annual Event takes place Saturday at locations across Portland

  4. Oct 28

    Environmental Services is now certified Salmon-Safe!

    Five city bureaus joined Portland Parks & Recreation making the City of Portland the nation’s first municipality to receive the designation.

  5. Oct 3

    Life in the Floodplain is coming up on October 8

    Take advantage of the FREE resource fair this Saturday from 10 a.m. to 2 p.m.

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.