See Oregon's largest wastewater treatment plant in action. Free guided tours of the Columbia Boulevard Wastewater Treatment Plant are offered 4 days each month. Tour requests must be made online and at least 7 days in advance.
An Intellectual Property License Agreement is required for the commercial use of the Portland Oregon Sign. Commercial use does not include personal use, such as photos of yourself that are shared amongst friends and family.
The program is designed to enable residents to achieve a high level of protection against a wildland-urban interface (WUI) fire loss even as a sustainable ecosystem balance is maintained. In coordination with Portland Fire & Rescue, assessments are conducted upon the resident’s request.