Category Archives: Folsom Dam Operations Changes

Change Order- Increase to 30,000 cfs

Posted on Friday, January 6th, 2017

Project:  Nimbus Dam

Please make the following release changes to the American River.

Date             Time            From (cfs)     To (cfs)

1/07/2017     0800           15,000            20,000

1/07/2017     0900           20,000            25,000

1/07/2017     1000           25,000            30,000

Comment:  Storage management/flood control

Issued by:   P. Manza

Change Order

Posted on Wednesday, January 4th, 2017

Project:  Nimbus Dam

Please make the following release changes to the American River.

Date             Time            From (cfs)     To (cfs)

1/05/2017     1400            7,000             10,000

1/05/2017     1500           10,000            12,000

1/05/2017     1600           12,000            15,000

Comment:  Storage management/flood control

Issued by:   P. Manza

Change Order

Posted on Tuesday, January 3rd, 2017

Project:  Nimbus Dam

Please make the following release changes to the American River.

Date             Time            From (cfs)     To (cfs)

1/05/2017     0700            3,500              5,000

1/05/2017     0800            5,000              7,000

Comment:  Storage management/flood control

Issued by:   J. Sandberg

Change Order

Posted on Wednesday, December 28th, 2016

Project:  Nimbus Dam

Please make the following release changes to the American River:

Date                Time           From (cfs)      To (cfs)

12/31/2016       1700            5,000              4,900

12/31/2016       1800            4,900              4,800

12/31/2016       1900            4,800              4,700

12/31/2016       2000            4,700              4,600

12/31/2016       2100            4,600              4,500

 

01/01/2017       1700            4,500              4,400

01/01/2017       1800            4,400              4,300

01/01/2017       1900            4,300              4,200

01/01/2017       2000            4,200              4,100

01/01/2017       2100            4,100              4,000

 

01/02/2017       1700            4,000              3,900

01/02/2017       1800            3,900              3,800

01/02/2017       1900            3,800              3,700

01/02/2017       2000            3,700              3,600

01/02/2017       2100            3,600              3,500

 

01/03/2017       1700            3,500              3,400

01/03/2017       1800            3,400              3,300

01/03/2017       1900            3,300              3,200

01/03/2017       2000            3,200              3,100

01/03/2017       2100            3,100              3,000

Comment: Storage management

Issued by: T. Washburn

Change Order

Posted on Tuesday, December 20th, 2016

Date                Time           From (cfs)      To (cfs)

12/20/2016       0800            25,000            20,000

Please route any release in excess of Power Plant capacity through the river outlets.

Comment: Storage management/flood control

Issued by: Peggy Manza

Change Order

Posted on Tuesday, December 20th, 2016

Date: Tue, Dec 20, 2016 at 10:03 AM
Subject: Nimbus Dam – Change Order

Date                Time           From (cfs)      To (cfs)

12/21/2016       0800            20,000            18,650

12/21/2016      1000            18,650             17,300

12/21/2016      1200            17,300             16,000

 

12/22/2016       0800           16,000             15,000

12/22/2016      1000            15,000             14,000

12/22/2016      1200            14,000             13,000

 

12/23/2016       0800           13,000             12,300

12/23/2016      1000            12,300             11,600

12/23/2016      1200            11,600             11,000

 

12/24/2016       0800           11,000             10,500

12/24/2016      1000            10,500             10,000

12/24/2016      1200            10,000               9,500

 

12/25/2016       0800             9,500               9,100

12/25/2016      1000              9,100               8,700

12/25/2016      1200              8,700               8,300

 

12/26/2016       0800             8,300               7,950

12/26/2016      1000              7,950               7,600

12/26/2016      1200              7,600               7,300

 

12/27/2016       0800             7,300               7,000

12/27/2016      1000              7,000               6,700

12/27/2016      1200              6,700               6,400

 

12/28/2016       0800             6,400               6,150

12/28/2016      1000              6,150               5,900

12/28/2016      1200              5,900               5,650

 

12/29/2016       0800             5,650               5,400

12/29/2016      1000              5,400               5,150

12/29/2016      1200              5,150               5,000

 

Please route any release in excess of Power Plant capacity through the river outlets.

Comment: Storage management/flood control

Issued by: Peggy Manza

 

Change Order

Posted on Friday, December 16th, 2016

Date                Time           From (cfs)      To (cfs)

12/16/2016       1200            35,000            30,000

Please route any release in excess of Power Plant capacity through the river outlets.

Comment: Storage management/flood control

Issued by: Peggy Manza

 

High Flows Expected in LAR

Posted on Thursday, December 15th, 2016

Due to high inflow into Folsom Reservoir, Reclamation has begun increasing flows down the Lower American River. They plan on going from 1,200 cfs (Dec 11) to 35,000 cfs (Dec 15). The last time flows were this high was December 2006. The change order is below.

Folsom releases from Nov 14, 2016 through Dec 14, 2016.

High Flows in Dec 2006


 

Date: Wed, Dec 14, 2016 at 3:10 PM
Subject: Nimbus Dam – Change Order

Date                Time           From (cfs)      To (cfs)

12/15/2016       0900            15,000            20,000

12/15/2016       1000            20,000            25,000

12/15/2016       1100            25,000            30,000

12/15/2016       1200            30,000            35,000

Please route any release in excess of Power Plant capacity through the river outlets.

Comment: Storage management/flood control

Issued by: Peggy Manza