cbsnews | Why was the Santa Ynez Reservoir empty when the fires broke out?
The reservoir was taken out of service to "meet safe drinking water regulations," the DWP said in a statement. A tear in the reservoir's cover made the water supply subject to contamination, the Los Angeles Times reported, leading the agency to drain it in February.
"The water system serving the Pacific Palisades area and all of Los Angeles meets all federal and state fire codes for urban development and housing," the release said.
DWP representatives did not respond to further questions about the reservoir from CBS News. The agency's statement suggested that the fact the reservoir was empty for nearly a year was in part due to the process of contracting a company to carry out the repairs.
"To commission the support and resources to implement repairs to Santa Ynez, LADWP is subject to the city charter's competitive bidding process which requires time," the statement read.
The reservoir is intended to provide water storage "for domestic use and fire fighting purposes in the Pacific Palisades area" according to city documents.
DWP says that the agency is conducting its own investigation on its "water resiliency." But experts and officials agree that the extent of the wildfires would have put a strain on the city's water supply regardless of whether the Santa Ynez Reservoir had been full.
In his letter to DWP, Newsom wrote, "While water supplies from local fire hydrants are not designed to extinguish wildfires over large areas, losing supplies from fire hydrants likely impaired the effort to protect some homes and evacuation corridors."
David Freyberg, PhD, a hydrologist and water resources specialist at Stanford University, told CBS News in an email that while a full Santa Ynez would have had benefits, it's not clear how much impact it would have had.
"The reservoirs above Pacific Palisades were not designed to support fire-fighting at the scale of [this] fire," he wrote. "Water supply reservoirs are typically designed to cope with house fires, not wildfires."
He added that the situation has made it clear that larger-scale solutions are necessary.
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