Dreamflows Tuolumne - Holm Powerhouse Release Schedule
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River Flow Below Holm Powerhouse

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

Color	Meaning
	No scheduled release planned for this day.
	Scheduled release: 1100 cfs below Holm PH from 7am to 11am.

Note: All information provided by Hetch Hetchy Water and Power.
Note: These will be an ecological release in May - see the May Ecological Release Schedule for details.
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.

 

May 2009
Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1   1100 cfs  7am - 11am	2   1100 cfs  7am - 11am
3	4	5	6	7	8   1100 cfs  7am - 11am	9   1100 cfs  7am - 11am
10	11	12	13	14	15   1100 cfs  7am - 11am	16   1100 cfs  7am - 11am
17	18	19	20	21	22   1100 cfs  7am - 11am	23   1100 cfs  7am - 11am
24   1100 cfs  7am - 11am	25   1100 cfs  7am - 11am	26	27	28	29   1100 cfs  7am - 11am	30   1100 cfs  7am - 11am
31

 

June 2009
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1   1100 cfs  7am - 11am	2   1100 cfs  7am - 11am	3   1100 cfs  7am - 11am	4   1100 cfs  7am - 11am	5   1100 cfs  7am - 11am	6   1100 cfs  7am - 11am
7	8   1100 cfs  7am - 11am	9   1100 cfs  7am - 11am	10   1100 cfs  7am - 11am	11   1100 cfs  7am - 11am	12   1100 cfs  7am - 11am	13   1100 cfs  7am - 11am
14	15   1100 cfs  7am - 11am	16   1100 cfs  7am - 11am	17   1100 cfs  7am - 11am	18   1100 cfs  7am - 11am	19   1100 cfs  7am - 11am	20   1100 cfs  7am - 11am
21	22   1100 cfs  7am - 11am	23   1100 cfs  7am - 11am	24   1100 cfs  7am - 11am	25   1100 cfs  7am - 11am	26   1100 cfs  7am - 11am	27   1100 cfs  7am - 11am
28	29   1100 cfs  7am - 11am	30   1100 cfs  7am - 11am

 

July 2009
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1   1100 cfs  7am - 11am	2   1100 cfs  7am - 11am	3   1100 cfs  7am - 11am	4   1100 cfs  7am - 11am
5   1100 cfs  7am - 11am	6   1100 cfs  7am - 11am	7   1100 cfs  7am - 11am	8   1100 cfs  7am - 11am	9   1100 cfs  7am - 11am	10   1100 cfs  7am - 11am	11   1100 cfs  7am - 11am
12	13   1100 cfs  7am - 11am	14   1100 cfs  7am - 11am	15   1100 cfs  7am - 11am	16   1100 cfs  7am - 11am	17   1100 cfs  7am - 11am	18   1100 cfs  7am - 11am
19   1100 cfs  7am - 11am	20   1100 cfs  7am - 11am	21   1100 cfs  7am - 11am	22   1100 cfs  7am - 11am	23   1100 cfs  7am - 11am	24   1100 cfs  7am - 11am	25   1100 cfs  7am - 11am
26	27   1100 cfs  7am - 11am	28   1100 cfs  7am - 11am	29   1100 cfs  7am - 11am	30   1100 cfs  7am - 11am	31   1100 cfs  7am - 11am

 

August 2009
Sun	Mon	Tue	Wed	Thu	Fri	Sat
						1   1100 cfs  7am - 11am
2   1100 cfs  7am - 11am	3   1100 cfs  7am - 11am	4   1100 cfs  7am - 11am	5   1100 cfs  7am - 11am	6   1100 cfs  7am - 11am	7   1100 cfs  7am - 11am	8   1100 cfs  7am - 11am
9	10   1100 cfs  7am - 11am	11   1100 cfs  7am - 11am	12   1100 cfs  7am - 11am	13   1100 cfs  7am - 11am	14   1100 cfs  7am - 11am	15   1100 cfs  7am - 11am
16   1100 cfs  7am - 11am	17   1100 cfs  7am - 11am	18   1100 cfs  7am - 11am	19   1100 cfs  7am - 11am	20   1100 cfs  7am - 11am	21   1100 cfs  7am - 11am	22   1100 cfs  7am - 11am
23	24   1100 cfs  7am - 11am	25   1100 cfs  7am - 11am	26   1100 cfs  7am - 11am	27   1100 cfs  7am - 11am	28   1100 cfs  7am - 11am	29   1100 cfs  7am - 11am
30   1100 cfs  7am - 11am	31

 

September 2009
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1	2	3	4   1100 cfs  7am - 11am	5   1100 cfs  7am - 11am
6   1100 cfs  7am - 11am	7   1100 cfs  7am - 11am	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 Issues:

2.  Release at Early Intake of 400 cfs will occur from May 1 through at least May 31.  Holm will be at 950 cfs round the clock from May 1 - 31 and on into June, but equipment issues can interrupt this flow.  Notification will be made as early as possible if equipment issues occur.

3.  An ecological pulse study is planned from May 5 - 20.  Flow will be controlled to ensure Memorial Day weekend boating.  See the May Ecological Release Schedule for details.

4.  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.

5.  Questions should be emailed to HHWP staff: bmcgurk@sfwater.org, mtsang@sfwater.org, or amazurkiewicz@sfwater.org

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