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Smoke from the Rim Fire lingers over the O'Shaughnessy Dam at Hetch Hetchy Reservoir on August 24, 2013 in Yosemite National Park, California. The Rim Fire continues to burn out of control and threatens 4,500 homes outside of Yosemite National Park. Over 2,000 firefighters are battling the blaze that has entered a section of Yosemite National Park and has prompted California Gov. Jerry Brown to declare a state of emergency for San Francisco due to damage to some of the lines and stations that move power to San Francisco. The Hetch Hetchy reservoir also had to take two of its three hydroelectric power stations out of service.
The Rim Fire is still only about 25 percent contained and has burned almost 293 square miles, making it California's 7th largest wildfire on record. Yesterday it reached the shores of the Hetch Hetchy Reservoir.
That's the drinking water source for much of San Francisco. For an update on the threat, we're joined by Tyrone Jue of the San Francisco Public Utilities Commission.