| 74.8 | Stages above 74.8 feet result in major flooding. Top of levee. | | 61.8 | Colusa Weir crest elevation. Overflow begins into the Sutter Bypass. |
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1) 70.60 ft on 03/01/1940
2) 68.96 ft on 03/04/1983
3) 68.85 ft on 01/03/1997
4) 68.80 ft on 02/21/1958
5) 68.80 ft on 02/26/1958
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Low water records are unavailable.
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