Skip to Main Content View Text-Only

The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, 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 manages Portland's wastewater and stormwater infrastructure to protect public health and the environment.

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.


  • Advisory: Sewage overflow reaches Columbia Slough - public advised to avoid contact with slough b/w NE 47th and 63r… 15 hours ago
  • We have a favorite - what’s yours? Now thru July 19, check out these short videos by Portland area students showi… 1 day ago
  • RT @multco: COVID-19 se propaga cuanda una persona infectada tose, estronuda o habla y otra persona inhala esas gotas respiratorias. Debido… 1 day ago
  • RT @OregonDEQ: Have you seen this equipment on the #WillametteRiver near the Steel Bridge in PDX? DEQ is overseeing the last significant cl… 1 day ago