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Mainstem Trinity |
Topic |
Flow: Inflow vs. Trinity 2002 |
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Caption: Once Trinity Dam was built the flow below the dam in the Trinity River did not necessarily reflect inflow into the reservoir above the dam. The water year 2002 had historically average rainfall and yet daily flows entering Trinity Lake in early January reached 25,000 cfs. A high flow release of 6000 cfs in May was allowed by a judicial ruling. Flows remained at 6000 cfs for 3 days. Between May 6 and June 24 flow releases were ramped down to a base summer flow rate of approx. 450 cfs where they remained until the middle of October. A peak flow rate of 6000 cfs corresponds with the flow schedule defined in the Record of Decision for a normal water year. Data provided by the U.S. Bureau of Reclamation and U.S. Geologic Survey.
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