Hetch Hetchy Water and Power reports as follows:

 

Please see correction to table dates!

Update on flows for May 31 to June 6:

1)      On May 30 we reduced releases from Hetch Hetchy to 4800 cfs. We plan on keeping releases at 4800 cfs until June 12, at which point we will reevaluate inflows and storage conditions.

2)      Eleanor continues to spill – inflows remain fairly high, and spill has remained steady at 200 cfs (for a total release of 950 cfs including the valves). Spill will follow inflows while the lake is full – for the next week, I expect that inflows will maintain some spill at Eleanor.

a.       The Eleanor gauge appears to be correct.

3)      Cherry releases remain at 1000 cfs for reservoir control.

4)      Maintenance at Kirkwood Powerhouse will require reducing spill at Early Intake from 700 cfs to 0 cfs from 8PM tonight, May 31st through 5AM on June 2nd.

 

 

Source

Current Releases,
May 31 (cfs)

Expected Releases,
June 1 to 6 (cfs)

Cherry Lake

1,000

1,000

Holm PH

950

950

Lake Eleanor Valves

700

0-700

Lake Eleanor Spill

400

200 - 500

Hetch Hetchy

4,800

4,800

Kirkwood PH

700

700

Total HHWP releases

8,550

7,650 – 8,650

 

Here is a link to most of our stream gauges:

 

https://waterdata.usgs.gov/ca/nwis/current?county_cd=06043&county_cd=06109&index_pmcode_STATION_NM=1&index_pmcode_DATETIME=2&index_pmcode_62614=3&index_pmcode_00054=4&index_pmcode_00060=5&sort_key=site_no&group_key=NONE&sitefile_output_format=html_table&column_name=agency_cd&column_name=site_no&column_name=station_nm&format=html_table&sort_key_2=site_no&html_table_group_key=NONE&rdb_compression=file&list_of_search_criteria=county_cd%2Crealtime_parameter_selection

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