Category Archives: Folsom Dam Operations Changes
Change Order
Posted on Monday, March 29th, 2021Change Order
Posted on Tuesday, March 2nd, 2021Change Order
Posted on Thursday, September 27th, 2018Please 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, 2018ARG,
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
Changer Order
Posted on Tuesday, September 4th, 2018The following change order was issued by Peggy Manza on 9/4/18:
Date Time From (cfs) To (cfs)
9/06/18 2200 1,800 1,700
9/06/18 2300 1,700 1,600
9/07/18 0000 1,600 1,500
9/07/18 0100 1,500 1,400
9/07/18 0200 1,400 1,300
9/07/18 0300 1,300 1,200
9/07/18 0400 1,200 1,100
9/07/18 0500 1,100 1,000
9/07/18 As soon as fish picket installation is completed and staff are out of the river, please increase releases back to 1,800 cfs. Maintain release at 1,800 cfs until further notice
Comment: fish picket installation for fall weir operations
Folsom Temperature Shutter Change
Posted on Tuesday, August 28th, 2018This is to document that Unit 2 was put in configuration 3 at approx 10 am on Tuesday, August 28, 2018.
Configuration after changes:
Upper shutters – Units 1, 2, and 3 up
Middle shutters – Unit 1 and 2 up, Unit 3 down
Lower shutters – all down
Comment: Temperature management in the Lower American River
Ordered by: Peggy Manza
Change Order
Posted on Friday, August 24th, 2018Please make the following release changes to the American River at Nimbus:
Date Time From (cfs) To (cfs)
8/28/18 2100 2,200 2,100
8/28/18 2200 2,100 2,000
8/28/18 2300 2,000 1,900
8/29/18 2100 1,900 1,800
Comment: Reduced delta needs
Issued by: Peggy Manza
Change Order
Posted on Friday, August 10th, 2018Please make the following release changes to the American River at Nimbus:
Date Time From (cfs) To (cfs)
8/14/18 2100 4,000 3,900
8/14/18 2200 3,900 3,800
8/14/18 2300 3,800 3,700
8/15/18 2100 3,700 3,600
8/15/18 2200 3,600 3,500
8/15/18 2300 3,500 3,400
8/16/18 2100 3,400 3,300
8/16/18 2200 3,300 3,200
8/16/18 2300 3,200 3,100
Comment: Reduced delta needs
Issued by: Peggy Manza
Folsom Temperature Shutter Change
Posted on Thursday, August 9th, 2018ARG,
The following Folsom Dam Temperature Shutter Change Order was issued by Peggy Manza on 8/9/18:
Project: Folsom Dam
Please put Unit 3 in configuration 2 at approx 7:30 am on Thursday, August 9, 2018.
Configuration after changes:
Upper shutters – Units 1, 2, and 3 up
Middle shutters – all down
Lower shutters – all down
Comment: Temperature management in the Lower American River
Ordered by: Peggy Manza