Date: Wed, Apr 25, 2018 at 9:44 AM
Subject: Nimbus Dam – Change Order

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

Date              Time         From (cfs)    To (cfs)
4/27/18         2100         2,500           2,400
4/27/18         2200         2,400           2,300
4/27/18         2300        2,300            2,200
4/28/18        0000         2,200            2,100
4/28/18        0100         2,100            2,000

Comment: conserve storage

Issued by: Peggy Manza

Date: Tue, Apr 17, 2018 at 9:07 AM

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

Date         Time    From (cfs)      To (cfs)

4/18/18       2100      5,000            4,900

4/18/18       2200      4,900            4,800
4/18/18       2300      4,800            4,700

4/19/18       0000      4,700            4,600
4/19/18       0100      4,600            4,500

4/19/18       2100      4,500            4,400

4/19/18       2200      4,400            4,300
4/19/18       2300      4,300            4,200

4/20/18       0000      4,200            4,100
4/20/18       0100      4,100            4,000

4/20/18       2100      4,000            3,900

4/20/18       2200      3,900            3,800
4/20/18       2300      3,800            3,700

4/21/18       0000      3,700            3,600
4/21/18       0100      3,600            3,500

4/21/18       2100      3,500            3,400

4/21/18       2200      3,400            3,300
4/21/18       2300      3,300            3,200

4/22/18       0000      3,200            3,100
4/22/18       0100      3,100            3,000

4/22/18       2100      3,000            2,900

4/22/18       2200      2,900            2,800
4/22/18       2300      2,800            2,700

4/23/18       0000      2,700            2,600
4/23/18       0100      2,600            2,500

Comment:  conserve storage

Issued by: Peggy Manza

Date: Mon, Apr 9, 2018 at 9:25 AM
Subject: Nimbus Dam – Change Order – DOCUMENTATION of Previous Order
This order is documenting release changes that were made at Nimbus Dam on Sunday Night.
Please make the following release changes to the American River at Nimbus:

Date Time From (cfs) To (cfs)
4/8/18 2100 25,000 22,500
4/8/18 2300 22,500 20,000

Comment: Decreasing inflows

Issued by: Liz Kiteck

______________________________________

Date: Mon, Apr 9, 2018 at 9:51 AM
Subject: Nimbus Dam – Change Order

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

Date Time From (cfs) To (cfs)
4/9/18 2100 20,000 18,650
4/9/18 2300 18,650 17,300
4/10/18 0100 17,300 16,000

4/10/18 2100 16,000 15,000
4/10/18 2300 15,000 14,000
4/11/18 0100 14,000 13,000

4/11/18 2100 13,000 12,300
4/11/18 2300 12,300 11,600
4/12/18 0100 11,600 11,000

4/12/18 2100 11,000 10,500
4/12/18 2300 10,500 10,000
4/13/18 0100 10,000 9,500

4/13/18 2100 9,500 9,100
4/13/18 2300 9,100 8,700
4/14/18 0100 8,700 8,300

4/14/18 2100 8,300 7,950
4/14/18 2300 7,950 7,600
4/15/18 0100 7,600 7,300

4/15/18 2100 7,300 7,000
4/15/18 2300 7,000 6,700
4/16/18 0100 6,700 6,400

4/16/18 2100 6,400 6,150
4/16/18 2300 6,150 5,900
4/17/18 0100 5,900 5,650

4/17/18 2100 5,650 5,400
4/17/18 2300 5,400 5,150
4/18/18 0100 5,150 5,000

Comment: Decreasing inflows

Issued by: Peggy Manza

Date: Thu, Apr 5, 2018 at 11:30 AM
Subject: Nimbus Dam – Change Order

Project: Nimbus Dam

Please make the following release changes to the American River:
date               time          from (cfs)     to (cfs)
4-06-18         0800          20,000          22,500
4-06-18         0900          22,500          25,000

Comment: Forecasted storm operations

Issued by: Peggy Manza

Date: Thu, Apr 5, 2018 at 9:34 AM
Subject: Nimbus Dam – Change Order

Project: Nimbus Dam

Please make the following release changes to the American River:
date                time          from (cfs)          to (cfs)
4-05-18          1000         10,000                12,500
4-05-18          1100         12,500                15,000
4-05-18          1300         15,000                17,500
4-05-18          1400         17,500                20,000

Comment: Increase in forecasted Folsom Inflows

Issued by: Peggy Manza

Date: Thu, Mar 29, 2018 at 9:32 AM
Subject: Nimbus Dam – Change Order

Project:  Nimbus Dam

Please make the following release changes to the American River:

date              time             from (cfs)          to (cfs)

3-29-18         2100             10,000                9,750

3-29-18         2300               9,750                9,500

3-30-18         2100               9,500                9,100

3-30-18         2300               9,100                8,700

3-31-18         0100               8,700                8,300

4-03-18         2100               8,300                7,950

4-03-18         2300               7,950                7,600

4-04-18         0100               7,600                7,300

Comment:   Decreasing inflows

Issued by:  Peggy Manza

Date: Tue, Apr 3, 2018 at 2:52 PM
Subject: Nimbus Dam – Change Order

Project: Nimbus Dam

Please make the following release changes to the American River:

4-04-18         0800         8,300         9,300
4-04-18         0900         9,300         10,000

Comment: Preparing for storm expected at end of week.

Issued by: Peggy Manza

Project:  Nimbus Dam

Please make the following release change to the American River.

date              time             from (cfs)          to (cfs)

3-18-18         2100           1750                  1650

3-18-18         2300           1650                  1550

3-19-18         0100           1550                  1450

3-19-18         0300           1450                  1350

3-19-18         2100           1350                  1250

Comment:   Storage conservation, ramping down to March FMS flow

Issued by:  P, Manza

Water Forum Comment: Current Minimum Release Requirement (MRR) as calculated by Reclamation is 1,250 cfs.