Water Recycling Plant Expansion Continues

Project Increases Wastewater Capacity

Construction to expand the Irvine Ranch Water District’s Michelson Water Recycling Plant from processing 18 millions of gallons of wastewater per day to 28 million gallons per day is expected to be completed later this year. The project began in September 2009.

This project has the distinction of being the largest construction project in the District’s more than 50-year history.

The facility when completed will include a new headworks facility, primary clarifier, electrical building, ultra-violet disinfection facility, membrane bioreactor and a modification to the influent trunk sewer line. The first milestone was achieved in July 2010 when the new disinfection facility went online. The facility uses sodium hypochlorite, or liquid bleach, as the disinfection agent and last step in producing high-quality, tertiary treated recycled water.

The Michelson plant began delivering recycled water in 1967 primarily for landscape and agricultural irrigation. The program grew over the years to include innovative uses for recycled water such as carpet dying, air conditioning cooling towers, toilet flushing in commercial buildings and concrete batch mixing.

More information about the Michelson plant expansion is located on our website. 

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