Dreamflows Tuolumne - Cherry Creek Confluence Release Schedule
 
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River Flow at the Tuolumne River/Cherry Creek confluence - PROVISIONAL

In the tables that follow, each date is color-coded according to the kind of release scheduled for that day:

ColorMeaning
 No scheduled release planned for this day.
 Scheduled release: Less than 750 cfs total estimated releases from the HHWP project.
 Scheduled release: 1100 cfs or more total estimated releases from the HHWP project.
Note: All information provided by Hetch Hetchy Water and Power.
Note: Things can change, especially during snowmelt.  See the current Dreamflows Bulletin Board thread as well as links on the flow reports for late-breaking news.
Note: The following flow schedule is PROVISIONAL and could change.

 

June 2018
SunMonTueWedThuFriSat
          11100 cfs
7am to 11am
21100 cfs
7am to 11am
31100 cfs
7am to 11am
41100 cfs
7am to 11am
51100 cfs
7am to 11am
61100 cfs
7am to 11am
71100 cfs
7am to 11am
81100 cfs
7am to 11am
91100 cfs
7am to 11am
101100 cfs
7am to 11am
111100 cfs
7am to 11am
121100 cfs
7am to 11am
13
 
141100 cfs
7am to 11am
151100 cfs
7am to 11am
161100 cfs
7am to 11am
171100 cfs
7am to 11am
181100 cfs
7am to 11am
191100 cfs
7am to 11am
201100 cfs
7am to 11am
211100 cfs
7am to 11am
221100 cfs
7am to 11am
231100 cfs
7am to 11am
241100 cfs
7am to 11am
251100 cfs
7am to 11am
261100 cfs
7am to 11am
27
 
281100 cfs
7am to 11am
291100 cfs
7am to 11am
301100 cfs
7am to 11am

 

July 2018
SunMonTueWedThuFriSat
11100 cfs
7am to 11am
21100 cfs
7am to 11am
31100 cfs
7am to 11am
41100 cfs
7am to 11am
51100 cfs
7am to 11am
61100 cfs
7am to 11am
71100 cfs
7am to 11am
81100 cfs
7am to 11am
91100 cfs
7am to 11am
101100 cfs
7am to 11am
11
 
121100 cfs
7am to 11am
131100 cfs
7am to 11am
141100 cfs
7am to 11am
151100 cfs
7am to 11am
161100 cfs
7am to 11am
171100 cfs
7am to 11am
181100 cfs
7am to 11am
191100 cfs
7am to 11am
201100 cfs
7am to 11am
211100 cfs
7am to 11am
221100 cfs
7am to 11am
231100 cfs
7am to 11am
241100 cfs
7am to 11am
25
 
261100 cfs
7am to 11am
271100 cfs
7am to 11am
281100 cfs
7am to 11am
291100 cfs
7am to 11am
301100 cfs
7am to 11am
311100 cfs
7am to 11am
       

 

August 2018
SunMonTueWedThuFriSat
      11100 cfs
7am to 11am
21100 cfs
7am to 11am
31100 cfs
7am to 11am
41100 cfs
7am to 11am
51100 cfs
7am to 11am
6700 cfs
6am to noon
7700 cfs
6am to noon
8
 
9700 cfs
6am to noon
10700 cfs
6am to noon
11700 cfs
6am to noon
12700 cfs
6am to noon
13700 cfs
6am to noon
14700 cfs
6am to noon
15700 cfs
6am to noon
16700 cfs
6am to noon
17700 cfs
6am to noon
18700 cfs
6am to noon
19700 cfs
6am to noon
20700 cfs
6am to noon
21700 cfs
6am to noon
22
 
23700 cfs
6am to noon
24700 cfs
6am to noon
25700 cfs
6am to noon
26700 cfs
6am to noon
27700 cfs
6am to noon
28700 cfs
6am to noon
29700 cfs
6am to noon
30700 cfs
6am to noon
31700 cfs
6am to noon
 

 

September 2018
SunMonTueWedThuFriSat
            1700 cfs
6am to noon
2700 cfs
6am to noon
3700 cfs
6am to noon
4700 cfs
6am to noon
5
 
6
 
7
 
8
 
9
 
10
 
11
 
12
 
13
 
14
 
15
 
16
 
17
 
18
 
19
 
20
 
21
 
22
 
23
 
24
 
25
 
26
 
27
 
28
 
29
 
30
 
           

Water Management and Access Issues:

1.  Flow rate estimates and timing are at the confluence of the Tuolumne River and Cherry Creek.  It is assumed that it takes approximately two hours for water to travel from the confluence to Meral’s Pool (a.k.a. Lumsden Boat Launch).

2.  Flow at the confluence is a combination of power house releases and other streamflow releases.  Unless otherwise noted, expect most of the flow to come down Cherry Creek, i.e. from Holm Powerhouse.

3.  This is a low water year, so the "other streamflows releases" referred to in the previous item aren't expected to be huge, but they may nevertheless be significant, especially during May and June.  Before heading out, be sure to check the relevant Dreamflows flow report and Bulletin Board thread to determine current and expected release trends.

4.  Flows beyond the schedule outlined schedule are at HHWP’s operational discretion.

5.  Users should be aware that sudden changes in powerhouse or dam releases may occur at any time due to emergency mechanical or electrical conditions.  Scheduled or unplanned rapid changes in water levels and flow rates can create hazards, and users are urged to use caution and to wear all appropriate personal protective equipment.