The Newspaper of the San Francisco Bay Chapter
September - October 2007
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Sunol quarry would damage wilderness lands
Oliver de Silva Inc. proposes to site a large quarrying operation in the pastoral Sunol Valley and within the Sunol/Ohlone Regional Wilderness. The quarry would cover 308.5 acres and go to a depth of 225 feet.
In 2000, when the San Francisco Public Utilities Commission (PUC) certified a Programmatic Environmental Impact Report for this proposal, it specified that the permit holder would have to restore riparian habitat along the right bank of Alameda Creek and the left bank of San Antonio Creek adjacent to the quarry, minimize percolation losses of Alameda Creek flows through the installation of a bentonite slurry cut-off wall, and coordinate with PG&E to modify a barrier to migratory fish passage in Sunol Valley.
WhatYouCanDo
Write to:
President Richard Sklar and Commissioners
San Francisco Public Utilities Commission
1155 Market Street, 11th Floor
San Francisco, CA 94105.
Refer to Surface Mining Permit #30. Urge the commission to enforce existing requirements and to make sure that further studies are done on impacts on endangered species including the California red-legged frog and tiger salamander. All such impacts need to be understood and thoroughly mitigated.
To join in the Sierra Club's efforts to protect these lands, contact organizing manager or call (510) 848-0800, ext. 307
© 2007 San Francisco Sierra Club Yodeler