Gauge Description:

Cresta Reach Release Schedule in 2011

Wet/Normal Year  
·        800 cfs between May 1 and May 7 with an additional increase to 1200 cfs for 24 hours the first weekend in May, noon Saturday until noon Sunday (May 7-8).  
·        Flows decrease to 600 cfs for the remainder of May (beginning after noon on May 8).  
·        500 cfs for June and 400 cfs for July except during “no touch days” which will be at 325 cfs.

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.

1-866-629-3925 AW-PG&E Flow Phone
AW-PG&E flow page 

AW had negotiated weekend recreational releases but these were discontinued over concerns about effects on frog eggs and other similar riparian issues.    AW has now negotiated a more natural natural spring season high flow pattern that should provide a good number of boating days of varying levels. 

 
Required Minimum Flows - Normal & Wet Years 

Notes:
(1)   Rise and fall to follow E. Branch Feather rate, to be achieved by holding Rock Creek & Cresta PHs constant
     during pulse (unless Cresta PH decreased to maintain flow > target pulse).              Pulse event can be terminated when
     EBF flow is constant (+-100 cfs/hr), at which time normal operations resume, and spill may be reduced at 150
     cfs/hr. Same rise and fall ramping limitations apply to non-pulse spill events past dam during March - first 2
     weeks of June.
(3)   If flows at NF56 are between 275 and 3000 cfs, Rock Creek shall be block loaded to avoid having spills start and
     stop at Cresta Reservoir.   (March through June)
(4)   300 cfs/hr rise during first 2 weeks of June, 400 cfs/hr rise for second 2 weeks of June if spill is from operations.
(5)   Minimum monthly flow to be measured at Licensee gage NF56, and at least 100 cfs shall be released from
     Cresta Diversion Dam at all times.
(6)   Pulses are 12 hrs continuous duration, and no riparian flows occur.
(8)   Implementation of flow in this table is automatic after first 5 years.
(9)   In May, flows shall increase to 800 cfs from May 1 through May 7 with an additional increase to 1200 cfs for 24
     hours the first weekend in May from noon Saturday until noon Sunday.               If May 1 is a Sunday the 1200 cfs flow
     shall take place starting May 7 with flows reduced to 600 cfs after noon on May 8.
(10) A boating flow of 400 cfs shall be provided throughout July except during “no touch days”, periods when the
     California Independent System Operator has issued a Restricted Maintenance Operations Notice.
(11) Condition 17 study results could necessitate the cancellation or modification by the ERC and FS of the flows