Adding the figures up on Hetch Hetchy

Ken Garcia
Monday, January 31, 2005
THERE ARE at least a few million good reasons why San Francisco needs to fix the aging and fragile Hetch Hetchy water system within the next decade, but the most compelling one is a simple number: 37.
That figure represents how many years it has been since city engineers were able to inspect the condition of the Irvington Tunnel, a critical part of the pressurized labyrinth through which 95 percent of all the crystal clear Sierra water — on which 2.5 million Bay Area residents depend — passes.
Read more at the San Francisco Chronicle.
