Are there membrane bioreactor (MBR) treatment facilities in other rural areas in Washington?
• Indian tribes have done it the most in Washington State. They have built ten MBR facilities. Alderwood Water & Wastewater District is building an MBR facility. The oldest MBR facility in Washington is about three years old. • MBR systems have been used in Japan for over 15 years to treat toilet water. • The Department of Ecology has become interested in MBR facilities and has offered encouragement for their use. MBR systems are becoming more common. • King County is building a 30 million gallon per day MBR facility at Brightwater. The County has done a lot of research into the best type of treatment system.
