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SFPUC and Yosemite National Park report early success from Tuolumne experimental flood
Summary
National Park Service and SFPUC staff described experimental pulse flows in Pupuna Valley that flooded meadows and kept a seasonal pond full for a month, suggesting modest pulse releases can help restore wetland habitats; staff expect recommendations for O'Shaughnessy Dam releases by year-end.
San Francisco Public Utilities Commission commissioners heard a presentation on Jan. 13 from National Park Service scientists and SFPUC staff about the Upper Tuolumne River Ecosystem Project and preliminary results from an experimental pulse flow.
Tim Ramirez, manager of the PUC’s Natural Resources and Lands Management Division, said the collaborative study with Yosemite National Park aims to produce recommendations for water releases from…
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