Tri-Dam Project

A partnership of the Oakdale and South San Joaquin Irrigation Districts

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    • Donnells
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  • About Tri-Dam
    • People
    • Meetings
    • Jobs
    • Surplus Sales
    • Open Solicitations
    • Annual Reports
    • Archive Documents
    • Historic Videos
  • News & Updates
    • Drought Updates
    • Press Releases
  • Contact

People

Joint Board of Directors of the Tri-Dam Project/
Commissioners of the Tri-Dam Power Authority

Oakdale Irrigation District Directors
Brad DeBoer
Herman Doornenbal
Tom Orvis
Linda Santos
Ed Tobias

South San Joaquin Irrigation District Directors
John Holbrook
Bob Holmes
Dave Kamper
Glenn Spyksma
Mike Weststeyn

Members of the Joint Board of Directors and Commissioners may be contacted through their
respective irrigation district offices.

Oakdale Irrigation District (209) 847-0341
South San Joaquin Irrigation District (209) 249-4600

Tri-Dam Project Staff

General Manager, Jarom Zimmerman
(209) 965-3996 ext. 120
JZimmerman@TriDamProject.com

Finance and Administrative Manager, Brian Jaruszewski
(209) 965-3996, ext. 123
BJaruszewski@TriDamProject.com

License Compliance Coordinator / Tulloch, Susan Larson
209-965-3996 ext. 148
(209) 785-3838
SLarson@TriDamProject.com

Operations and Maintenance Manager, Chris Tuggle
(209) 965-3996, ext. 194
CTuggle@TriDamProject.com

About Tri-Dam

  • People
  • Meetings
  • Jobs
  • Surplus Sales
  • Open Solicitations
  • Annual Reports
  • Archive Documents
  • Historic Videos

Water Data

Data For 05/19/2022

Elevation (feet above sea level)

Donnells 4,905.72

Beardsley 3,341.48

Tulloch 507.70

Storage (acre feet)

Donnells 60,039

Beardsley 61,181

Tulloch 64,125

Outflow (cubic feet/sec)

Donnells * 42

Beardsley 56

Tulloch 503


*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.

Pinecrest Weather

Pinecrest
◉
36°
Snow
7:08am4:40pm PST
Feels like: 25°F
Wind: 16mph S
Humidity: 90%
Pressure: 29.8"Hg
UV index: 1
TueWedThu
30/14°F
36/25°F
36/19°F
Weather forecast Pinecrest, California ▸

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PO Box 1158 · Pinecrest, CA 95364-0158 · 209-965-3996