This presentation provides details about Twin Oak Valley water treatment plant located in Northern San Diego County. This is a 100-mgd drinking water treatment plant with GE Submerged Membranes. AN overview of the permitting, construction, operations and cleaning chemicals and energy costs is provided....

This paper presents a firsthand account of how water quality and operational challenges have been addressed to improve plant reliability. The overall methodology to address each challenge, including treatability and monitored data, will be presented. ZLD facilities present unique challenges since any constituents that enter the facility in the untr...