Hetch Hetchy Water and Power

Reservoir and Powerhouse Planned Releases

October 2018

Reservoir Releases*

Reservoir	Elevation (ft)	Storage (TAF)	Planned Releases (cfs)	Special Conditions
Hetch Hetchy	3767.7	287.7	60
Cherry	4673.5	223.2	5
Eleanor	4650.7	17.6	10

Powerhouse Releases**

Powerhouse	Planned Tuolumne Releases (cfs)	Special Conditions
Kirkwood	0	No spill at KPH.
Holm	25 - 350	HPH generation will vary significantly throughout the day. We expect lower releases during the weekend, and highly variable releases during the week.
Moccasin***	0	No spill at Moccasin Reservoir

* Reservoir releases are dependent on storage and weather conditions, and can be changed at any time.

** Powerhouse releases can vary significantly dependent on power load and operational constraints. Planned releases are estimates.

*** Moccasin releases seen at Moccasin Creek between town of Moccasin and Don Pedro Reservoir. These releases do not affect Tuolumne River conditions, but do impact recreation in Moccasin Creek.