Perris Valley Regional Water Reclamation Facility Biofilter Maintenance Project

Eastern Municipal Water District's EMWD Perris Valley Regional Water Reclamation Facility PVRWRF utilizes a biofilter to collect and treat foul odors associated with the plant's treatment process. The biofilter is a four-cell structure that has a combined surface area of about 40,000 square feet. It can treat up to 105,000 cubic feet of foul air per minute. Currently, the biofilters are experiencing poor distribution of foul air due to degradation of the rock diffuser media layer and its impacts...