Yuba and Canyon Creek Flow Study UPDATE (CA)

Posted: 05/27/2009

By: Bob Center

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Boating Study Releases Planned for Middle Yuba SF Yuba and Canyon Creek

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American Whitewater is partnering with Nevada Irrigation District (NID) and Pacific Gas and Electric Company (PG&E) to identify a preferred range of whitewater boating flows on numerous reaches in the Yuba and Bear watersheds. Information obtained from surveys completed by boaters will help us identify flow preferences for whitewater boating. Flow preferences determined from boater surveys will be used to evaluate possible effects on whitewater boating from Project operation and help define flow needs.

Boater input is very important to this process. Please help us, yourself, and your friends by filling out a survey if you paddle any of the reaches noted below. Click here to fill out survey.

HIGHLIGHTS AS OF WEDNESDAY AFTERNOON, MAY 27

The flow study will continue on Thursday May 28 through Sunday May 31 on the Yuba Gap reach of the South Yuba--From Langs Crossing to above Washington.

Spaulding spill will drop to 300 on Thursday May 28 and will be 300 cfs through Sunday May 31. Thunderstorms on Friday could cause higher flows.

PADDLE THESE REACHES AND FILL OUT A SURVEY NOW TO HELP PRESERVE THE OPPORTUNITY TO PADDLE THE REACHES IN THE FUTURE.

Reservoir Affected	Release	Reach(es)	Additional Info
Jackson Meadows Milton	140, dropping to 4	Jackson Meadows to Milton
Bowman	100 5/28 - 6-1 80 6/2	Canyon Creek from Bowman to South Yuba confluence	Will be adjusted to provide 80 at JBR on 6/3
	See above, plus acretion	South Yuba from confluence with Canyon Creek to Englebright
Spaulding	300 5/28-5/31	South Yuba from Spaulding to Englebright	Thunderstorms could cause higher flows on 5/29

Flow Estimates at Selected Points:

River	Location	Flow	Additional Info
Middle Yuba	Jackson Meadows	Dreamflows
Middle Yuba	Milton	Dropping to 4
Middle Yuba	Above Our House	low
Middle Yuba	Below Our House	Dreamflows
Canyon Creek	Below Bowman	100 80 ?	Through 6/1 6/2 Enough to result in 80 cfs at Jones Bar
Canyon Creek	Confluence South Yuba	125? 85? ?	Through 6/1 6/2
South Yuba	Lang’s Crossing	300 200 No spill	Through 5/31 6/1 After 6/1
South Yuba	Washington	450-550? 350-450?	Through 5/31 6/1
South Yuba	Edwards	500-650? 450-600?Dreamflows	Through 5/31 6/1
South Yuba	Purdons	See above	See above

Dave Steindorf

4 Baroni Drive

Chico, CA 95928

E-mail: dave@americanwhitewater.org

Phone: 530-343-1871

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