The Spokane County Regoinal Water Reclamation Facility is a 8.5-mgd, greenfield treatment facility utilizing membrane bioreactor technology to meet some of the more stringent effluent limits in the Pacific Northwest. The facility is required to meet a summer total phosphorus limit of 0.050 mg/L on a monthly average basis, together with an ammonia-n...

The City of Spokane is implementing an innovative use of tertiary membrances to help address its integrated water quality planning to meet the total maximum daily load (TMDL) requirements on the Spokane River. At the City's Riverside Park Water Reclamation Facility (RPWRF) the tertiary membrane filtration system is designed to meet an average daily...