Completed valve box replacements in unincorporated area due to Orange County Public Works pavement rehabilitation project Completed construction on El Camino Real Water Main Line Relocation Project Evaluated options to develop a meter replacement project and implement Advanced Metering Infrastructure within our service area Completed a portion of large meter testing for implementation of a replacement project
2026-2027 GOALS: Limit service interruptions through proactive maintenance and repairs Implement a large meter replacement program for meters over 2” Use the Water Hydraulic Model Update to address any deficiencies within the distribution system
17TH STREET DESALTER
This reverse osmosis water treatment facility is a cooperative venture between the City of Tustin, the Orange County Water District (OCWD), and the Metropolitan Water District of Southern California (MWD). This facility removes nitrates, perchlorate, PFAS and high concentrations of total dissolved solids from local groundwater. The water is treated and blended to comply with State and Federal drinking water standards. TASKS: Ensure compliance with all health and safety standards for water quality Maximize groundwater water production to reduce dependence on imported water supplies Ensure compliance with the Regional Water Quality Control Board (RWQCB) & National Pollution Discharge Elimination System (NPDES) permit requirements
2025-2026 ACCOMPLISHMENTS: Met and exceeded all state and federal water quality standards Ensured compliance with all operating permit requirements and renewals Maximized production to reduce the need for imported water Completed water quality analysis for process improvements Completed evaluation for implementation of PFAS treatment expansion project 2026-2027 GOALS: Complete plans, specifications for PFAS treatment expansion and electrical improvements
Complete comprehensive facility inspections/evaluations after Main Street Treatment Plant is operational to determine condition of equipment and the need for maintenance or replacement due to the high demand since shutting down wells in February 2021 Implement and execute a plan for membrane element replacement Newport Well pump replacement and site improvements
IMPORTED WATER
This division is responsible for purchase of wholesale supplemental water supplies from the East Orange County Water District via its partner agencies the Municipal Water District of Orange County and the Metropolitan Water District of Southern California.
TASKS: Maximize local water production to reduce dependence on imported water supplies
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