Category Archives: Folsom Dam Operations Changes

Change Order

Posted on Tuesday, August 17th, 2021
The following change order for releases at Nimbus Dam was issued today:
Date                 Time                  From (cfs)               To (cfs)

8/19/21            0001                     1000                         900

Note: Conserve storage
Ordered by:  T. Washburn

Change Order

Posted on Tuesday, June 29th, 2021
The following change order for releases at Nimbus Dam was issued today:
 Date                 Time                  From (cfs)               To (cfs)

7/2/21                 0001                     1850                        1750

                             0100                      1750                        1650
                             0200                      1650                        1550
                             0300                      1550                        1450

0400                      1450                        1350

                             0500                      1350                        1300

Note: Conserve storage

Change Order

Posted on Monday, June 7th, 2021
The following change order for releases at Nimbus Dam was issued today:
Date                 Time                  From (cfs)               To (cfs)
6/07/21              1400                     1750                      1850
Note: Delta Outflow

Change Order

Posted on Monday, May 17th, 2021
The following change order for releases at Nimbus Dam was issued today:
 
Date                 Time                  From (cfs)               To (cfs)
5/19/21               0001                     900                         1000
                            
Note:  D-1641 Salinity 

Change Order

Posted on Tuesday, May 11th, 2021

The following change order for releases at Nimbus Dam was issued today:

 
   Date                 Time                  From (cfs)               To (cfs)
5/13/21               0001                     1000                       900
                           
Note:  Conserve Storage

Change Order

Posted on Tuesday, April 6th, 2021
The following change order for releases at Nimbus Dam was issued today:
 
Date                 Time                  From (cfs)               To (cfs)
4/8/21               0001                     1750                        2000
 
Note:  SWRCB D1641 – Delta Outflow

Change Order

Posted on Monday, March 29th, 2021

Date                 Time                  From (cfs)               To (cfs)

3/31/21               0001                     1200                      1500
                      
                  

Note:  SWRCB D1641 – Delta Outflow

Change Order

Posted on Tuesday, March 2nd, 2021

The following change order for releases at Nimbus Dam was issued today for Delta Needs:

 

Date                 Time                  From (cfs)               To (cfs)

3/2/21             0900                   950                          1075

                         1100                   1075                        1200

 

Change Order

Posted on Thursday, September 27th, 2018

Please make the following release changes to the American River at Nimbus:

Date         Time    From (cfs)      To (cfs)

10/01/18       2100      1,800            1,700

10/01/18       2200      1,700            1,600

10/01/18       2300      1,600            1,500

 

Comment:  reducing releases to October MRR

Folsom Temperature Shutter Change

Posted on Wednesday, September 12th, 2018

ARG,

This is to document that Unit 1 was put in configuration 4 at approx 10 am on Wednesday, September 11, 2018.

Configuration after changes:

 

Upper shutters – Units 1, 2, and 3 up

Middle shutters –  Unit 1 and 2 up, Unit 3 down

Lower shutters – Unit 1 up, Units 2 and 3 down

 

Comment: Temperature management in the Lower American River

 

Ordered by:  Peggy Manza