JC Boyle Bypass Flows

JC Boyle Dam

The portion of the Klamath River natural channel between JC Boyle Dam and JC Boyle Powerhouse is commonly called the JC Boyle Bypass. Releases from the dam provide flow through this natural channel at all times of the year.

Flows may vary due to a variety of conditions, including weather, upstream flows and dam operations.


Flow Estimates below JC Boyle Hydro Project:

Table: 7 days Hourly Avg Flow Rates cu ft/sec
Hour 06/21 06/22 06/23 06/24 06/25 06/26 06/27
1 114 111 117 117 111 111 111
2 111 111 117 117 111 111 111
3 111 111 117 114 111 111 0
4 111 111 114 117 111 111
5 111 114 117 117 111 111
6 111 111 117 111 111 111
7 109 111 114 111 111 109
8 109 109 109 111 109 109
9 107 107 107 109 109 107
10 109 104 104 107 109 107
11 111 109 107 109 109 109
12 111 109 107 109 111 109
13 111 109 107 109 111 111
14 111 109 107 111 109 111
15 111 111 109 111 111 111
16 109 111 107 111 111 109
17 111 109 109 109 111 111
18 109 109 109 109 109 109
19 109 109 109 109 109 109
20 109 107 109 109 109 109
21 109 109 111 107 109 109
22 109 107 111 109 109 107
23 109 109 117 109 109 109
24 111 117 111 111 111

The flow release schedule for the J.C. Boyle Powerhouse is a good faith estimate and not a guarantee that any releases will occur as or when estimated. Operational considerations, mechanical failure, human error or system safety concerns could require changes to this schedule with little or no notice. PacifiCorp provides this information as a courtesy for recreational users of the river and makes no warranty of its accuracy or fitness for any particular purpose.

These flow estimates now include an additional 150-300 cfs of base flow occurs in the JC Boyle bypass reach between the dam and the put-in. It is recommended that all boating parties check the BLM staff gage at the put-in to verify actual flow.

The values listed above are in average cubic feet per second for the 60 minute period beginning with the hour indicated in the above table. Actual flows will vary over the hour when the project is ramping flows up or down.

These water management data are provisional readings of current river flow conditions. Beware and use caution since river flows can change dramatically because of operational changes at the dams or due to weather conditions.

 

Updated 5/18/2016