Mmm…Yosemite Fresh
July 27th, 2007 by Kishore
When I open the tap, water comes out. But from where?
85% comes from Hetch Hetchy in Yosemite. Spring snow melt from the Tuolomne River fills Hetch Hetchy reservoir. This surface water in the Hetch Hetchy Reservoir is treated, but not filtered because it is of such high quality.
15% comes from the Alameda and Peninsula watershed. The supplies are stored in Caleveras and San Antonio reservoirs. In addition, the Crystal Spring reservoirs on the Peninsula store excess Hetch Hetchy supplies.
Let’s talk treatments. Almost all water in this country is filtered and treated with chlorine. Not so true here in SF.
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