Gauge Description:

AW negotiated real-time flow information and works cooperatively with PG&E to provide it through a web interface (AW Feather gauge).   Historical data for this reach can be obtained from the USGS NF Feather bl Grizzly Creek, Station 11404330.    Since August 1, 2013 PG&E is using CDEC to report flows for this reach.   See: 

 

Season       Month      Base Flow (cfs) Boating Flow (cfs) Launch Window Duration
Spring Mar 400 --- ---
Spring Apr 525 800 2days
Spring May 490 --- ---
Summer Jun 460 --- ---
Summer Jul 440 --- ---
Summer Aug1 395 --- ---
Summer Aug2-31 350 --- ---
Summer Sep 300 --- ---
Fall Oct 200 --- ---
Fall Nov 150 --- ---
Winter Dec 400 --- ---
Winter Jan 400 --- ---
Winter Feb 400 --- ---

 

During spill events, May through September, flows will be ramped down according to the following schedule.  This ramping schedule was designed to be more protective of Foothill Yellow Legged Frogs and provide whitewater boating opportunities.

Day

Target Flow Calculated at Radial Gate (cfs)

1

1,000

2

920

3

840

4

760

5

680

6-20

600

21

520

22

Base Flow

 

Gauge Information

Name Range Difficulty Updated Level
FEATHER R BL GRIZZLY CREEK
cdec-F56 400 - 2000 cfs III-V 05h01m 297 cfs (too low)

gauge graph
RangeWater LevelDifficultyComment
400 -2000 cfs barely runnable-high runnable III-V gauge is important or has warning

Reports give the public a chance to report on river conditions throughout the country as well as log the history of a river.