Tri-Dam Project

A partnership of the Oakdale and South San Joaquin Irrigation Districts

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April 22, 2022

Tulloch 2022 Internal Guidance Memo—Grandfathered Facilities

Download the document.

Article by Tri-Dam Project / Tulloch Reservoir

Water Data

Data For 06/04/2023

Elevation (feet above sea level)

Donnells 4,904.06

Beardsley 3,374.03

Tulloch 508.45

Storage (acre feet)

Donnells 59,357

Beardsley 81,837

Tulloch 65,053

Outflow (cubic feet/sec)

Donnells * 53

Beardsley * 4,913

Tulloch 1,504

*Spilling

View historical data

News & Updates

Tulloch Spring 2023 Fill Schedule

March 24, 2023 by Tri-Dam Project

Tulloch Winter 2022/2023 Drawdown Schedule

September 8, 2022 by Tri-Dam Project

Road Conditions

Current road conditions to Beardsley and Donnells Reservoirs can be found on their respective pages.

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