Ever wonder what happens to what you flush? Now is your chance to see for yourself.

About the Plant
Located in North Portland, the Columbia Boulevard Wastewater Treatment Plant serves more than 650,000 customers and manages an average of 70 million gallons of wastewater daily. On rainy days, the amount of wastewater going to the plant can increase to 450 million gallons.

Tour Details
Only a select number of entrants will be randomly picked due to limited tour space. Tour days have not been established but are anticipated to take place spring of 2023. If you are one of the randomly picked entrants, you will be notified via email and given multiple tour dates to choose from.

Before submitting your entry, please review the following:
  • This is a walking tour and will last two to three hours. 
  • Participants will encounter many stairs, walkways, ramps, and other gradients.
  • The tour will cover various indoor and outdoor facilities and still occur rain or shine.
  • This is an operating wastewater treatment plant; certain areas of the plant may have a strong odor.
  • The tour is open to Portland residents only.

Question Title

* 1. If you would like to enter for a chance to go on the tour, please enter your name and email.

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