Yuba, Middle Fork - D) Route 49 to Englebright reservoir


Yuba, Middle Fork, California, US

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D) Route 49 to Englebright reservoir

Usual Difficulty IV-V (for normal flows)
Length 12.12 Miles

Gauge Information

Name Range Difficulty Updated Level
No. Yuba Below New Bullards Bar
dream-059 500 - 1500 cfs IV-V 2y333d11h01m 18 cfs (too low)
MIDDLE YUBA RIVER BELOW OUR HOUSE DAM
cdec-ORH 600 - 1500 cfs IV-V 02h01m 36 cfs (too low)
OREGON CREEK BELOW LOG CABIN
cdec-LCB 50 - 300 cfs IV-V 02h01m 4 cfs (too low)


River Description

2014 YUBA COUNTY WATER AGENCY WHITEWATER BOATING FLOW STUDY

River: Middle Yuba River
Reach of Interest: Highway 49 to Englebright Reservoir
Project: Yuba River Development Project (or YCWA)

Introduction
YCWA is collaborating with interested stakeholders including American Whitewater (AW), Tahoe National Forest, and the National Park Service to identify a preferred range of whitewater boating flows on the Middle Yuba River downstream of Highway 49 in 2014. YCWA’s Yuba River Development Project is undergoing relicensing (Integrated License Process) with the Federal Energy Regulatory Commission (FERC). For more information on YCWA’s relicensing, please visit the public relicensing website at: http://www.ycwa-relicensing.com.

Study Reach Information – MYR from Highway 49 to Englebright Reservoir

Put-In: Highway 49 bridge (3 mi. north of the town of North San Juan)
Takeout(s): Option 1: Colgate Powerhouse (river right via town of Dobbins; Option 2: Rice’s Crossing (on river left via dirt road heading north at Bridgeport State Park)
Target Flows: Hardshell Kayak = 600-1,200 cfs / Raft = 1,000-1,200 cfs
Flow Gages: MYR above Our House; and MYR below Our House.

Boater Evaluation Form Process
Information from the boater evaluation forms will help YCWA identify a flow preference curve for whitewater boating, which will identify minimum acceptable and optimum flows. The data collection requires 3 key steps: Step 1 - Boaters run a reach at a min. of 2 flows in the target range (3 flows preferred) for a craft. Step 2 - Following each run at a different flow, the boater will complete a 1-page, Post-Run Evaluation Form – either a hard copy version as distributed by AW or online (see link below). And, Step 3, once a boater has run a reach a min. of 2 flows in the target range for a craft type (3 flows preferred), then the boater will need to complete a final Comparative Evaluation Form that identifies the minimum acceptable flow and optimal flow range for the reach (hard copy or online). Note: the online link to the Comparative Evaluation Form will be provided once a boater has completed a min. of 2 flows.

Link to Online Evaluation Form: http://www.surveymonkey.com/s/HKV6TX9


Please review the flow level before and after each run to determine what the actual flow was that you boated before submitting the survey, if possible. At the very least, be sure to accurately record the date and times of your trip so that flows may be determined using the flow history.  Please take photos and upload them to the AW photo database.

Study Contacts
Dave Steindorf (American Whitewater): E: dave@americanwhitewater.org / P: (530) 518-2729
Rorie Gotham (Local Boater/Boating Team Coordinator): skyranch1@sbcglobal.net
Kevin McCombe (Tahoe National Forest): E: kmccombe@fs.fed.us / P: (530) 478-6150
Matt Paquette (HDR, YCWA’s consultant): E: mpaquette@hdrinc.com / P: (530) 587-3682

http://www.ycwa-relicensing.com/Proj...0Schematic.pdf

 

Additional reference: A GUIDE TO THE BEST WHITEWATER IN THE STATE OF CALIFORNIA, HOLBEK & STANLEY, 1988


StreamTeam Status: Not Verified
Last Updated: 2014-02-12 02:04:46

Rapid Summary

Mile Rapid Name Class Features (Legend)
1.4RapidN/A
4.2RapidN/A
4.6NF ConfluenceN/AAccess
4.8RapidN/A
5.4RapidN/A
5.6RapidN/A
10.5Colgate PowerhouseN/AAccess
12.1Rice's CrossingN/ATakeout

Rapid Descriptions

Rapid (Class N/A, Mile 1.4)

Long bouldery rapid



NF Confluence (Class N/A, Mile 4.6)

There will be some additional water coming down the NF, but usually not very much.  Dirt roads or trails lead up the hill to the north towards Marysville Road and Bullards Bar dam.



Rapid (Class N/A, Mile 4.8)

This pretty big rapid starts immediately after the confluence with the NF.



Rapid (Class N/A, Mile 5.6)

Narrow canyon, big boulders.  Big rapids come one after another for several miles, only easing off near Colgate powerhouse



Colgate Powerhouse (Class N/A, Mile 10.5)

Water from Bullards Bar reservoir is released from this powerhouse on river right.  A paved road leads up to Marysville road in 4.4 miles.

Below this point, rapids appear to be only gravel bar.



Rice's Crossing (Class N/A, Mile 12.1)

The remains of on old bridge mark Rice's Crossing.  Take out on river left.  A dirt road leads up to Bridgeport.




User Comments

Users can submit comments.
February 3 2015 (989 days ago)
Paul MartzenDetails
FORECAST FOR WEEK OF 02/02/2015 - UPDATED as of 2/3/15 at 11 a.m.: Based on NOAA's California
Nevada River Forecast for below Our House Diversion Dam, there is now some potential for flows in
the boatable range. Refer to the flow forecast below from 2/3/15 at 8:48 a.m. Notably, at this
time, the current flow forecast is showing a rapid spike in flows in the middle of Friday
night/early Saturday morning with additional precipitation expected on Saturday that may continue
to increase flows. At this time, the forecast does not show if the flows will stabilize in the
boatable range or when/how the flows will recede (slowly, quickly or at what time of day). YCWA
will monitor the flow forecast provided by CNRFC twice daily and provide updates, as needed.
NOAA-California Nevada River Forecast: Middle Yuba River below Our House (OURC1)


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Associated Rivers

Associated Projects

  • Yuba and Bear Rivers (CA)
    The Yuba and Bear rivers are some of the best whitewater resources in California. American Whitewater is an active participant in the FERC relicensing negotiations that impact these rivers.