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March 2013
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Shutdown Season Recap

Repairs at Weymouth treatment plant

With water-saving help from Los Angeles County foothill communities, Metropolitan continues to successfully complete planned upgrades and repairs to its complex delivery system as part of the district’s annual shutdown season.

As February drew to a close, Metropolitan returned to service a major regional water line delivering supplies for up to 1.7 million consumers in foothill cities and communities in Los Angeles County, from Glendale to Pomona.  About 27 miles of the 10-foot diameter Upper Feeder was taken out of service for eight days starting Feb. 21 for a series of upgrades and repairs that are part of Metropolitan’s ongoing investment in infrastructure  reliability.

Upper Feeder repairs

During the shutdown, residents and businesses in Pasadena, La Cañada Flintridge, La Crescenta and Altadena responded to the call by local water agencies to reduce their water use by up to 30 percent to help maintain supplies and stretch limited reserves.

As the Upper Feeder improvements were wrapping up, Metropolitan also was putting the finishing touches on a 25-day shutdown of the district’s Colorado River Aqueduct.  That planned shutdown is part of the district’s 13-year overhaul of the 242-mile aqueduct. Also during the Upper Feeder shutdown, Metropolitan took its F.E. Weymouth Water Treatment Plant in La Verne out of service for four days to further prepare the 71-year-old plant for new ozone treatment.

Installing turnout valve for new service connection

Metropolitan typically takes various facilities out of service temporarily between October and April each year for maintenance and upgrades.  The district’s ability to reliably store, treat and deliver water throughout its six-county service area requires treatment plants, pipeline and other essential facilities—some in operation for more than 70 years—to be shut down for upkeep and refurbishment.

The district routinely schedules shutdowns in the winter and early spring, when temperatures usually are cooler and demands are lower, to complete inspections and perform maintenance and upgrades with the least impact on the nearly 19 million consumers in Metropolitan’s 5,200-square-mile-service area.

Repairs on service connection in Sierra Madre

This season, Metropolitan in coordination with its member agencies, successfully completed 31 planned shutdowns of various facilities.  The scheduled outages ranged in length from a one-day shutdown to replace a pipeline valve to a 32-day shutdown at Orange County's Coyote Creek Power Plant for maintenance and repair.




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