Tri-Dam Project

A partnership of the Oakdale and South San Joaquin Irrigation Districts

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    • Donnells
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    • Historical Data
  • 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
Ralph Roos
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
SLarson@TriDamProject.com

Operations and Maintenance Manager, Chris Tuggle
(209) 965-3996, ext. 121
CTuggle@TriDamProject.com

About Tri-Dam

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

Water Data

Data For 04/14/2021

Elevation (feet above sea level)

Donnells 4,774.08

Beardsley 3,312.10

Tulloch 502.89

Storage (acre feet)

Donnells 14,564

Beardsley 44,472

Tulloch 58,486

Outflow (cubic feet/sec)

Donnells 27

Beardsley 140

Tulloch 649


*Spilling

View historical data

News & Updates

Tulloch Spring/Summer Season Electrical Tips

April 8, 2021 by Tri-Dam Project

Tulloch Spring 2021 Fill Schedule

March 15, 2021 by Tri-Dam Project

Road Conditions

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

Pinecrest Weather

Pinecrest
◉
28°
Fair
6:23am7:36pm PDT
Feels like: 28°F
Wind: 2mph E
Humidity: 77%
Pressure: 30.05"Hg
UV index: 0
FriSatSun
61/36°F
63/37°F
68/37°F
Weather forecast Pinecrest, California ▸

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