As Yosemite fire burns, San Francisco races to keep water ash-free

San Francisco officials are scrambling to send more water to the metropolitan area as the massive Rim fire near Yosemite rains ash down on a key reservoir. On Monday, utility officials monitored the clarity of the Hetch Hetchy Reservoir and used a massive new $4.6-billion, gravity-operated pipeline system to move water quickly to reservoirs closer to the city http://www.latimes.com/local/lanow/la-me-ln-as-yosemite-fire-burns-san-francisco-races-to-keep-water-ashfree-20130827,0,1670167.story Article courtesy of The Los Angeles Times by Diana Marcum, Samantha Schaefer and Joseph Serna