Tri-Dam Project

A partnership of the Oakdale and South San Joaquin Irrigation Districts

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July 31, 2015

Update for the Week Ending July 31, 2015

No new developments this week. Tulloch Reservoir is still to be operated pursuant to the posted US Bureau of Reclamation Schedule. Please continue to watch for updates.

Article by Tri-Dam Project / Drought Updates

April 10, 2015

Press Release from the Bureau of Reclamation

Reclamation, Oakdale Irrigation District and South San Joaquin Irrigation Districts Resolve New Melones Pulse Flow Concerns

Download the press release.

Article by Greg Falken / Drought Updates, Press Releases

April 7, 2015

April 7, 2015 Update

OID/SSJID Press release regarding New Melones
Letter to David Murillo, Bureau of Reclamation

Article by Greg Falken / Drought Updates, Press Releases

April 3, 2015

Update for the Week Ending April 3, 2015

The water situation continues to be very challenging. As has been publicized throughout the State, the April snow survey results demonstrate the dire situation throughout the region. Governor Brown has now directed mandatory restrictions to be applied throughout the entire state, to target additional water use reductions.

Last week, OID and SSJID announced that a preliminary agreement had been reached with the Bureau of Reclamation and National Marine Fisheries Service on a Temporary Urgency Change Petition (TUCP). The TUCP must be approved by the California State Water Resources Board, and as of today, that approval has not yet been received. The Districts remain hopeful that an agreement can be reached, allowing the prudent use of reservoir waters for people and agricultural uses, while balancing the fisheries releases The posted reservoir schedule remains in effect, at present, and updates will be posted should the schedule be revised. Please continue to watch for updates.

Article by Greg Falken / Drought Updates

March 11, 2015

Letter From Congressman Jeff Denham and Congressman Tom McClintock

Letter From Congressman Jeff Denham and Congressman Tom McClintock to US Fish & Wildlife, US Bureau of Reclamation and National Oceanic & Atmospheric Administration, addressing New Melones operations and flows.

Article by Greg Falken / Drought Updates

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News & Updates

  • Drought Updates
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Water Data

Data For 06/28/2022

Elevation (feet above sea level)

Donnells 4,912.17

Beardsley 3,384.50

Tulloch 507.95

Storage (acre feet)

Donnells 62,718

Beardsley 88,972

Tulloch 64,429

Outflow (cubic feet/sec)

Donnells 43

Beardsley 55

Tulloch 901


*Spilling

View historical data

News & Updates

Tulloch 2022 Internal Guidance Memo—Grandfathered Facilities

April 22, 2022 by Tri-Dam Project

Tulloch Spring 2022 Fill Schedule

March 10, 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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