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
01/02/2023Donnells4,860.9642,65343No
01/01/2023Donnells4,861.5442,86643No
12/31/2022Donnells4,858.6541,80943No
12/30/2022Donnells4,840.8235,46343No
12/29/2022Donnells4,839.4834,99842No
12/28/2022Donnells4,842.7436,13142No
12/27/2022Donnells4,845.3537,04742No
12/26/2022Donnells4,846.4337,42743No
12/25/2022Donnells4,850.1438,74343No
12/24/2022Donnells4,853.8940,08742No
12/23/2022Donnells4,857.6041,42842No
12/22/2022Donnells4,861.3042,77842No
12/21/2022Donnells4,862.3243,22642No
12/20/2022Donnells4,862.3243,15242No
12/19/2022Donnells4,862.0043,03542No
 Date Reservoir Elevation Storage Outflow Spilling
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Beardsley Reservoir

 Date Reservoir Elevation Storage Outflow Spilling
01/02/2023Beardsley3,362.1474,02866No
01/01/2023Beardsley3,360.1272,73269No
12/31/2022Beardsley3,356.7270,57168No
12/30/2022Beardsley3,346.0063,91458No
12/29/2022Beardsley3,343.3162,28257No
12/28/2022Beardsley3,342.3561,70459No
12/27/2022Beardsley3,341.0760,93558No
12/26/2022Beardsley3,339.2159,82456No
12/25/2022Beardsley3,338.5359,42056No
12/24/2022Beardsley3,337.9259,05755No
12/23/2022Beardsley3,337.3158,69655No
12/22/2022Beardsley3,336.7358,35355No
12/21/2022Beardsley3,337.6058,86855No
12/20/2022Beardsley3,339.3559,90856No
12/19/2022Beardsley3,341.2161,01956No
 Date Reservoir Elevation Storage Outflow Spilling
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Tulloch Reservoir

 Date Reservoir Elevation Storage Outflow Spilling
01/02/2023Tulloch499.7955,0792,559No
01/01/2023Tulloch503.6959,3963,123No
12/31/2022Tulloch506.4562,6211,724No
12/30/2022Tulloch501.7457,203934No
12/29/2022Tulloch500.3955,726770No
12/28/2022Tulloch501.5356,971570No
12/27/2022Tulloch502.0857,579301No
12/26/2022Tulloch500.4455,780203No
12/25/2022Tulloch500.7556,116203No
12/24/2022Tulloch500.9456,322201No
12/23/2022Tulloch500.9956,376203No
12/22/2022Tulloch501.3156,729202No
12/21/2022Tulloch501.2956,707202No
12/20/2022Tulloch501.5056,938202No
12/19/2022Tulloch501.7257,181202No
 Date Reservoir Elevation Storage Outflow Spilling
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Reservoirs

  • Donnells
  • Beardsley
  • Tulloch
  • Historical Data

News & Updates

Tulloch Winter 2022/2023 Drawdown Schedule

September 8, 2022 by Tri-Dam Project

Tulloch 2022 Internal Guidance Memo—Grandfathered Facilities

April 22, 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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