watershed http://kalw.org en An argument for draining the Hetch Hetchy http://kalw.org/post/argument-draining-hetch-hetchy <p><em>Eighty-five percent of San Francisco's water comes from the Hetch Hetchy reservoir. San Francisco&nbsp;<a href="http://ballotpedia.org/wiki/index.php/San_Francisco_Hetch_Hetchy_Reservoir_Initiative,_Proposition_F_(November_2012)">Proposition F </a>calls for the city to begin evaluating the option of draining the reservoir. Before the Hetch Hetchy Valley was flooded, or the O’Shaughnessy Dam was built, environmentalists led by John Muir put up a big fight to keep it protected.</em></p> Thu, 18 Oct 2012 16:22:00 +0000 Martina Castro 7405 at http://kalw.org An argument for draining the Hetch Hetchy