Valley Vista and Rimrock Arsenic Removal
EPA Demonstration Projects

Scope of work

Fann Environmental was the Design-Builder of the adsorption systems. FE provided the on-site engineering, permitting, installation and construction of the concrete slab, treatment building, and electrical and piping needed for connection of the systems which included the backwash recovery systems. FE also assisted in the start-up services.
At Valley Vista, Fann Environmental performed several media change-outs during the demonstration period, including pH adjustment and chemical injection. FE has continued to perform the media change-outs including the current media Sorb-33.

Project details

Owner: Arizona Water Company
Delivery Method: Design-Build
Contract Value: $32,000 & $17,500
Year Completed: 2004, 2005