Good afternoon,

 

Below is an updated release projection from HHWP facilities through July 10. An additional update will be provided next week. Next Wednesday, July 8 will be a No Water Wednesday. No recreational releases from Holm Powerhouse will occur.

 

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 130 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 8 : No Water Wednesday
• 00:00 – 24:00: 40 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: 250 cfs
• 09:00 – 13:00: 1,100 cfs  
• 13:00 – 24:00: 250 cfs

 

• Wednesday July 8
• No Water Wednesday 00:00 - 24:00: 250 cfs

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