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Welcome to the Tri-Dam Project

Operations and maintenance of the Donnells, Beardsley and Tulloch projects, is located on the Middle Fork of the Stanislaus River in Tuolumne...

Office Hours

Weekdays: 7:30 am – 4:30 pm Closed Every Other Friday

Tulloch Reservoir Permitting Process

As noted above, Tri-Dam is required through its license with the Federal Energy Regulatory Commission (FERC) to review and authorize any activity...