Lake Level Forecast
A graph showing the US Bureau of Reclamation's forecast for lake elevation at the 90% confidence level
(dark blue) and the 50% confidence level (light blue) is available on the Trinity River Restoration Program's website.
Last year, the 50% confidence level was
quite accurate. Lake outflow determinations are based upon the 50% confidence level.
Current Restoration Flow Release Schedule -- This is the water released from Lewiston Dam, not the total release out of Trinity Dam. The Central Valley Project gets up to 51% of annual inflow and the Trinity River gets 49%. But, in past years, the Trinity River has gotten extra water for the Ceremony Boat Dance in August and Late-summer Augmentation Releases.
View current lake storage...
Corresponding acre-feet to ramp bottom elevation:
- 2,378' (Highest elevation on record, 1/19/74) 2,588,335 af
- 2,370' (Full lake) 2,447,700 af
- 2,338' (Stuart Fork ramp) 1,957,780 af
- 2,324' (Clark Springs ramp) 1,765,410 af
- 2,323' (Bowerman ramp) 1,751,280 af
- 2,313' (Fairview ramp) 1,621,240 af
- 2,295' (Trinity Center ramp) 1,403,878 af
- 2,230' (Cedar Stock ramp) 794,700 af
- 2,170' (Minersville ramp) 424,340 af
- 2,145' (Power deadpool) 314,610 af
- 2,120' (Lowest elevation on record, 11/9/77) 222,350 af
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