Water Reclamation

An important part of the City’s expanding emphasis on water conservation is the concept that water is a resource that can be used more than once.  Because all uses of water do not require the same quality of supply, the City has been developing programs to use reclaimed water for suitable landscaping and industrial uses.

Water reclamation programs currently meet some of the City’s landscaping supply needs.  Reclaimed water from the 20 million gallon per day Los Angeles Glendale Water Reclamation Plant is used to irrigate two golf courses in Los Angeles’ Griffith Park, supply cooling water to a Glendale power plant, and irrigate landscaping along the Golden State Freeway.

The Los Angeles Glendale Water Reclamation Plant supplies 20 million gallons of reclaimed water per day for industrial and irrigation uses.

Use of reclaimed water at the park and for freeway landscaping will be expanded in the future and the DWP has plans to use the Glendale facility to supply more than 400 million gallons per year to four large irrigation customers nearby.

A second 40 million-gallon per day facility, the Donald C. Tillman Water Reclamation Plant, supplies irrigation water to golf courses and parks in the Sepulveda Dam Recreation Area.

Plans are underway to further develop water reclamation for Los Angeles.  Its use, however, is limited by state health requirements and the high cost of pumping plants and distribution facilities to deliver water from the reclamation plants to the customers.

Even though Los Angeles is located in a semi-arid region, its water supply often has been taken for granted.  Periodic droughts, resulting measures and ongoing DWP programs serve to remind us that the responsibility to conserve water belongs to all of us.

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