GENERAL INFORMATION: 503-823-7404
1120 SW Fifth Ave, Suite 600, Portland, OR 97204
Green Building
Graywater for toilet flushing
The rules and regulations for the use of graywater for toilet flushing can be found at the State Building Codes Division website.
Graywater for irrigation
The Oregon Department of Environmental quality manages the rules and regulations for the use of graywater for irrigation.
Rainwater Resources
The following City of Portland bureaus have resources to help you learn more about collecting rainwater.
Rain Barrels
The Portland Water Bureau does not provide incentives for rain barrels. For information on the City rules and recommendations for rain barrels contact the Bureau of Environmental Services at 503-823-7740.
WaterSense
WaterSense is a national partnership program designed to promote water efficiency and enhance the market for water-efficient products, programs, and practices. WaterSense helps consumers identify water-efficient products and programs that meet WaterSense