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 Topic:  Tuolumne - 2020 Recreational Releases 

Forums -> Flows -> Tuolumne - 2020 Recreational Releases Page 1 of 1
Posted to area: CA - Tuolumne - Lower and Cherry CreekLatest PostNext TopicPrev Topic
 Author  Message 
chris
Site Admin
Posted: Apr 9, 2020Post Subject: Tuolumne - 2020 Recreational Releases
The 2020 provisional Tuolumne River release schedule is now available.
chris
Site Admin
Posted: May 19, 2020
Hetch Hetchy Water and Power reports today as follows:

Quote:
A quick update on HHWP releases for the next couple weeks.  We are currently seeing 2500-3000 cfs on the Tuolumne River.  Flows are expected to remain between 1000 cfs and 3000 cfs for the next 2 weeks, with the exception of May 28.

On Thursday, May 28, Powerhouse repairs will result in no generation from Holm and Kirkwood Powerhouses.  Flows on the Tuolumne River are expected to be less than 500 cfs from 5AM to as late as 5 PM.

chris
Site Admin
Posted: May 26, 2020
Hetch Hetchy Water and Power provided an update today (May 26), which you can read here
chris
Site Admin
Posted: Jun 2, 2020
Hetch Hetchy Water and Power reports today as follows:

Quote:
Greetings,

June 2-9, approximate flows at the confluence of the Tuolumne River and Cherry Creek will be near 1,800 cfs, decreasing toward 1,200 cfs.

Notes/Exceptions:

* A powerhouse outage will affect flows Thursday night, June 4th at 9:00 pm through Friday morning, June 5th at 6:00 am.  Flows at the confluence during these hours will go below 400 cfs.  Releases will resume on Friday the 5th from 7:00 am through 11:00 am to bring flows back above 1,000 cfs.

* Wednesday June 10th is a scheduled "No Water Wednesday" during which flows at the confluence are not guaranteed to be above 1,000 cfs during the 7am-11am time period.

As always, all flows are estimates, and subject to change.

chris
Site Admin
Posted: Jun 5, 2020
Hetch Hetchy Water and Power reports a few minutes ago as follows:

Quote:
Greetings,

We are currently experiencing an outage at Holm Powerhouse.  Flows on the Tuolumne River are currently below 300 cfs.  When we get the Powerhouse back up and running, we will resume the recreational releases.  If possible, we will extend elevated HPH generation to ensure 4 hours of flows at 1000 cfs.

Apologies for the inconvenience

chris
Site Admin
Posted: Jun 5, 2020
Hetch Hetchy Water and Power reports again (a few minutes ago) as follows:

Quote:
The issue at HPH has been resolved, and we are at full generation.  Recreational releases will be extended to 1200 today.

chris
Site Admin
Posted: Jun 5, 2020
Hetch Hetchy Water and Power reports today as follows:

Quote:
Recreationalists!

Spill at Lake Eleanor has ceased, and spill from Cherry Reservoir and Hetch Hetchy Reservoirs are expected to be low this spring, so flows will be primarily controlled by generation from Holm Powerhouse.  We anticipate normal, 2 unit releases through Labor Day.

Be Safe, and Have Fun!

chris
Site Admin
Posted: Jun 17, 2020
Hetch Hetchy Water and Power reports today as follows:

Quote:
Greetings,

For June 17 - 27, flows at the Cherry Creek - Tuolumne River confluence will continue to be near 1,100 cfs from 07:00-11:00 when Holm Powerhouse is producing recreational releases.  During all other hours, flows are expected to be much lower, on the order of approximately 200 cfs.

Please note that next Wednesday, June 24th, is slated as a 'No Water Wednesday' with no recreational Holm generation scheduled.

As always, all flows are estimates and subject to change.

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