SNOFLO

       




TRINITY LAKE

RESERVOIR LEVELS
March 28, 2025


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Trinity, also known as Clair Engle Lake, is a federal-owned reservoir located in Trinity, California. Managed by the Bureau of Reclamation, this Earth-type dam was completed in 1962 and serves multiple purposes including hydroelectric power generation, irrigation, and recreation. With a dam height of 458 feet and a storage capacity of 2,760,870 acre-feet, Trinity plays a crucial role in water resource management in the region.

Situated on the Trinity River, Trinity reservoir covers a surface area of 17,722 acres and serves a drainage area of 692 square miles. Despite its uncontrolled spillway type and high hazard potential, the dam is regularly inspected by the Bureau of Reclamation to ensure its structural integrity and safety. While its risk assessment indicates a moderate level of risk, there are currently no specific risk management measures in place. Overall, Trinity stands as a significant water resource infrastructure in California, contributing to both water supply and energy production in the region.

Storage 24hr Change -0.11%
Percent of Normal 121%
Minimum 470,176 acre-ft
2015-12-08
Maximum 2,496,779 acre-ft
2006-05-23
Average 1,660,727 acre-ft
Nid_Height 538
Hydraulic_Height 458
Drainage_Area 692
Year_Completed 1962
Dam_Height 458
River_Or_Stream TRINITY RIVER
Structural_Height 538
Primary_Dam_Type Earth
Surface_Area 17722
Hazard_Potential High
Nid_Storage 2760870
Dam_Length 2450
       
Seasonal Comparison
Created with Highcharts 8.0.0Seasonal Water Storage(acre-ft)1. Jan1. Feb1. Mar1. Apr1. May1. Jun1. Jul1. Aug1. Sep1. Oct1. Nov1. Dec01M2M3M
Storage Levels
Created with Highcharts 8.0.0Storage (acre-ft)15. Jan29. Jan12. Feb26. Feb11. Mar25. Mar8. Apr22. Apr6. May20. May3. Jun17. Jun1. Jul01M2M3M
Pool Elevation Levels
Created with Highcharts 8.0.0Pool Elevation (ft)8. Jan22. Jan5. Feb19. Feb4. Mar18. Mar1. Apr15. Apr29. Apr13. May27. May10. Jun24. Jun8. Jul01k2k3k

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