Tri-Dam Project

A partnership of the Oakdale and South San Joaquin Irrigation Districts

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Historical Data

Clear

Donnells Reservoir

Note: As of 5/10/18 the outflow for Donnells will also include the spill.
 Date Reservoir Elevation Storage Outflow Spilling
03/15/2015Donnells4,797.5821,33440No
11/01/2014Donnells4,851.9839,40129No
04/28/2015Donnells4,838.3134,59356No
05/23/2015Donnells4,887.5552,73866No
05/20/2015Donnells4,884.0851,38252No
06/26/2015Donnells4,895.7255,97626No
03/17/2015Donnells4,799.5621,94239No
11/02/2014Donnells4,850.8338,99026No
05/02/2015Donnells4,848.238,05337No
05/24/2015Donnells4,887.2752,62863No
06/01/2015Donnells4,889.1553,36636No
06/27/2015Donnells4,895.9856,08026No
03/19/2015Donnells4,801.5422,55237No
01/17/2015Donnells4,785.8517,87334No
05/03/2015Donnells4,850.8839,00735No
 Date Reservoir Elevation Storage Outflow Spilling
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Beardsley Reservoir

 Date Reservoir Elevation Storage Outflow Spilling
10/31/2014Beardsley3,299.3737,81956No
04/28/2015Beardsley3,291.8234,03856No
05/22/2015Beardsley3,299.737,98656No
06/01/2015Beardsley3,325.3451,77055No
06/26/2015Beardsley3,344.1862,80856No
03/17/2015Beardsley3,283.9230,21456No
11/01/2014Beardsley3,300.2438,26258No
05/02/2015Beardsley3,292.7934,51755No
05/23/2015Beardsley3,302.3639,34955No
06/03/2015Beardsley3,330.0154,43555No
06/27/2015Beardsley3,344.0362,71755No
03/19/2015Beardsley3,284.2630,37555No
11/02/2014Beardsley3,301.0338,66658No
05/03/2015Beardsley3,292.9334,58656No
05/24/2015Beardsley3,305.0940,76456No
 Date Reservoir Elevation Storage Outflow Spilling
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Tulloch Reservoir

 Date Reservoir Elevation Storage Outflow Spilling
05/02/2015Tulloch505.3361,295154No
05/23/2015Tulloch507.5363,919151No
06/01/2015Tulloch507.5763,968152No
06/27/2015Tulloch509.1965,958210No
03/19/2015Tulloch500.1755,487202No
11/02/2014Tulloch500.1555,4661,006No
05/03/2015Tulloch504.1659,935155No
05/24/2015Tulloch50763,277151No
06/03/2015Tulloch508.6165,240154No
06/28/2015Tulloch508.865,474199No
03/20/2015Tulloch500.0855,389204No
02/17/2015Tulloch500.6656,018406No
05/05/2015Tulloch505.5461,542153No
05/25/2015Tulloch507.2363,556151No
06/07/2015Tulloch507.964,368152No
 Date Reservoir Elevation Storage Outflow Spilling
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Reservoirs

  • Donnells
  • Beardsley
  • Tulloch
  • 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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