Hetch Hetchy Water and Power reports as follows:

 

A couple of changes to flows this week:

1)      Eleanor continues to spill – inflows remain fairly high, and spill has remained steady at 300 cfs (for a total release of 1000 cfs including the valves). Spill will follow inflows while the lake is full – for the next week, I expect that inflows will maintain at this high level.

a.       Note that the Eleanor stream gauge is back up and running. However, it is currently over reporting by 300 cfs (we are working on it). https://waterdata.usgs.gov/ca/nwis/uv/?site_no=11277500&PARAmeter_cd=62614,00054,00060

2)      High inflows to Hetch Hetchy have necessitated a valve move to 1500 cfs today. We expect to remain at 1500 cfs through May 1

3)      May 1, we are planning a valve move to 3000 cfs at Hetch Hetchy.

 

Source

Current Releases (cfs)

Releases Starting May 1 (cfs)

Cherry Lake

750

1000

Holm PH

950

950

Lake Eleanor Valves

700

700

Lake Eleanor Spill

200 - 600

0-800

Hetch Hetchy

1500

3000

Kirkwood PH

700

700

Total HHWP releases

4800 - 5200

6350 - 7150

 

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.