Federal Energy Regulatory Commission (FERC) Project No. 2005
Beardsley/Donnells Hydroelectric Project
Donnells Reservoir Spilling into the Middle Fork Stanislaus River(Image credit: Image provided by Tri-Dam Power.)
Applicant: Oakdale Irrigation District’s and South San Joaquin Irrigation District’s Tri-Dam Project
County: Tuolumne County
License Expiration Date: January 30, 2046
Water Quality Certification Status: Issued September 14, 2005
Waterbody: Middle Fork Stanislaus River
Project Description:
The Project is located on the Middle Fork Stanislaus River in Tuolumne County near the town of Strawberry, California. The Project includes the Donnells and Beardsley developments. The Donnells development includes the Donnells Dam and Reservoir (capacity of 64,325-acre feet), a tunnel and penstock, and a powerhouse with an authorized capacity of 72 megawatts. The Beardsley development includes Beardsley Dam and Reservoir (capacity of 97,802-acre feet), a tunnel and penstock, a powerhouse with an authorized capacity of 10.5 megawatts, and the Beardsley Afterbay and associated dam. The total authorized capacity for the Project is 82.5 megawatts.
Related Documents
Water Quality Certification
- Response to Request for Supplemental and Recreational Flow Variances - April 27, 2015
- Beardsley/Donnells Water Quality Certification - September 14, 2005
2014 Drought Actions
- Response to request for Variance of Supplemental and Recreational Flows - May 1, 2014
- Notice of Exemption filed by State Water Board - May 1, 2014
- Notice of Exemption filed by Tri Dam Project - April 30, 2014
- PG&E and Tri-Dam Project Request for Variance of Supplemental and Recreational Flow Requirements – April 9, 2014
- Notice of Request for Variance of Supplemental and Recreational Flow Requirement - April 4, 2014
- Public Comments
