Good morning,

 

Below is an updated release projection from HHWP facilities through July 31. An additional update will be provided toward the end of July.
*Next Wednesday, July 22 will be a ‘No Water Wednesday’. No recreational releases from Holm Powerhouse will occur on this day.

 

For permitting and access information contact the Groveland Ranger District.

 

We strive to keep the user community updated on projected flows on the Tuolumne River.

Intraday powerhouse cycling will continue this week, with pulses occurring between 07:00-11:00 at Holm Powerhouse to sustain recreational flows on the Tuolumne.

 

Stated flow rates are best estimates and are subject to change as conditions and operational constraints evolve.

 

Hetch Hetchy Reservoir

• Flows immediately below Hetch Hetchy are approximately 115 cfs

 

Cherry Reservoir

• Flows immediately below Cherry are approximately 16 cfs

• Holm Powerhouse
• 00:00 – 07:00: 40 cfs
• 07:00 – 11:00: 950 cfs
• 11:00 – 24:00: 40 cfs

 

• Wednesday July 22 : No Water Wednesday
• 00:00 – 24:00: 0 cfs

Lake Eleanor

• Flows immediately below Eleanor are approximately 21 cfs

 

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Meral’s Pool (best estimates, actual flows may differ)

 

• 00:00 – 09:00: 200-250 cfs
• 09:00 – 13:00: 1,100-1,200 cfs  
• 13:00 – 24:00: 200-250 cfs

 

• Wednesday July 22
• No Water Wednesday 00:00 - 24:00: 200-250 cfs

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Any significant changes to the schedule will be posted on the bulletin board.