Hetch Hetchy Water and Power reported on June 14 as follows:

 

Please see the table below for planned changes to HHWP reservoir releases affecting flows on Cherry Creek and the Tuolumne River for the next several days. Valve releases from Hetch Hetchy Reservoir will decrease from 6,000 cfs to 5,700 cfs tomorrow, Saturday, June 15th. Cherry Reservoir valve releases will decrease from 800 cfs to 500 cfs tomorrow as well. Lake Eleanor will remain full and spilling, with the total release expected to decline gradually.

 

Daytime KPH and HPH power generation has begun to increase in response to favorable pricing, although weekends will still see decreases in flow rates during the hours of 07:00 through 17:00. The table includes the minimum daily powerdraft release estimate for each powerhouse.

 

Date

Hetchy Releases

Cherry Releases

Eleanor Releases

HPH Draft

KPH Spill

Total cfs

Thursday, June 13, 2019

6,000

800

1,300

900

450

9,450

Friday, June 14, 2019

6,000

800

1,300

900

250

9,250

Saturday, June 15, 2019

5,700

500

1,100

65

0

7,365

Sunday, June 16, 2019

5,700

500

1,000

65

0

7,265

Monday, June 17, 2019

5,700

500

1,000

800

350

8,350

Tuesday, June 18, 2019

5,400

500

1,000

800

350

8,050

Wednesday, June 19, 2019

5,400

500

1,000

800

350

8,050

Thursday, June 20, 2019

5,400

500

1,000

800

350

8,050

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