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March 16, 2020

Tulloch Spring 2020 Fill Schedule

From: Bureau of Reclamation

2020 Tulloch Spring Fill will follow the typical spring fill procedures, which follow the USACE flood control curve upward. During the spring fill, the reservoir will be managed to the given target elevation ranges as much as possible. Some variations may still occur due to large natural inflows or facility and operational constraints.

Date
From
Date
Through
Elevation
Low
Elevation
High
3/16/20203/22/2020498.6501.6
3/23/20203/29/2020499.4502.4
3/30/20204/05/2020500.1503.1
4/06/20204/12/2020500.9503.9
4/13/20204/19/2020501.7504.7
4/20/20204/26/2020502.4505.4
4/27/20205/03/2020503.2506.2
5/04/20205/10/2020504.0507.0
5/11/20205/17/2020505.5508.5
5/18/20205/24/2020506.5509.5
5/25/20209/15/2020506.5509.5

Issued by: T. Washburn

Filed Under: Fill Schedule, Tulloch Reservoir

September 6, 2019

Tulloch Fall 2019 Drawdown Schedule

The fall drawdown schedule for Tulloch Reservoir is provided below. This schedule complies with U.S. Army Corps of Engineers flood control requirements. The reservoir will generally be managed to the target elevation range, however some variation may occur due to large local inflow during rain events or facility and operational constraints.

Date
From
Date
Through
Elevation
Low
Elevation
High
9/16/20199/22/2019506.0509.0
9/23/20199/29/2019504.7507.7
9/30/201910/06/2019503.5506.5
10/07/201910/13/2019502.2505.2
10/14/201910/20/2019500.9503.9
10/21/201910/27/2019499.5502.5
10/28/201903/22/2019498.6501.6

For further information, please see the Tulloch Reservior page.

Issued by: T. Washburn

Filed Under: Fill Schedule, Tulloch Reservoir

March 25, 2019

Tulloch Spring 2019 Fill Schedule

Below is the 2019 Tulloch fill schedule, as just received from the Bureau of Reclamation. As always, the schedule is subject to substantial variation due to natural inflow during or after storm events. Please exercise caution when operating in and around the reservoir at all times.

2019 Tulloch Spring fill will follow the typical spring fill procedures, which follow the USACE flood control curve upward. During the spring fill, the reservoir will be managed to the given target elevation ranges as much as possible. Some variations may still occur due to large natural inflows or facility and operational constraints.

Date
From
Date
Through
Elevation
Low
Elevation
High
3/22/20193/31/2019498.6501.6
4/01/20194/07/2019499.4502.4
4/08/20194/14/2019500.1503.1
4/15/20194/21/2019500.9503.9
4/22/20194/28/2019501.7504.7
4/29/20195/05/2019502.4505.4
5/06/20195/12/2019503.2506.2
5/13/20195/19/2019504.0507.0
5/20/20195/26/2019505.5508.5
5/27/20196/02/2019506.5509.5
6/03/20199/15/2019506.5509.5

Issued by: T. Washburn

Filed Under: Fill Schedule, Tulloch Reservoir

September 6, 2018

Tulloch Fall 2018 Drawdown Schedule

The fall drawdown schedule for Tulloch Reservoir is provided below. This schedule complies with U.S. Army Corps of Engineers flood control requirements. The reservoir will generally be managed to the target elevation range, however some variation may occur due to large local inflow during rain events or facility and operational constraints.

Date
From
Date
Through
Elevation
Low
Elevation
High
9/17/20189/23/2018506.0509.0
9/24/20189/30/2018504.7507.7
10/01/201810/07/2018503.5506.5
10/08/201810/14/2018502.2505.2
10/15/201810/21/2018500.9503.9
10/22/201810/28/2018499.5502.5
10/29/201803/22/2019498.6501.6

 

Filed Under: Fill Schedule, Tulloch Reservoir

January 24, 2018

2018 Tulloch Spring Fill

The Spring 2018 Tulloch fill schedule will be done in two phases. The first phase will take place between February 1 and March 12, when the reservoir pool will be raised back to the normal winter elevation of 501.6 ft. The rate of fill will approximately follow the daily ranges below, but there may be substantial variations due to natural inflow or storm events. Since this phase of the reservoir fill is not governed by USACE flood control requirements, any extra inflow will be retained rather than released.

The second phase of the reservoir fill will follow the typical spring fill procedures, which follow the USACE flood control curve upward. During this phase, the reservoir will be managed to the given target elevation ranges as much as possible. Some variations may still occur due to large natural inflows or facility and operational constraints.

2018 Tulloch Spring Fill

Phase 1: Elevation targets are approximate.

DateLowHigh
1/31/2018475.0478.0
2/1/2018475.6478.6
2/2/2018476.2479.2
2/3/2018476.8479.8
2/4/2018477.4480.4
2/5/2018478.0481.0
2/6/2018478.5481.5
2/7/2018479.1482.1
2/8/2018479.7482.7
2/9/2018480.3483.3
2/10/2018480.9483.9
2/11/2018481.5484.5
2/12/2018482.1485.1
2/13/2018482.7485.7
2/14/2018483.3486.3
2/15/2018483.9486.9
2/16/2018484.4487.4
2/17/2018485.0488.0
2/18/2018485.6488.6
2/19/2018486.2489.2
2/20/2018486.8489.8
2/21/2018487.4490.4
2/22/2018488.0491.0
2/23/2018488.6491.6
2/24/2018489.2492.2
2/25/2018489.8492.8
2/26/2018490.3493.3
2/27/2018490.9493.9
2/28/2018491.5494.5
3/1/2018492.1495.1
3/2/2018492.7495.7
3/3/2018493.3496.3
3/4/2018493.9496.9
3/5/2018494.5497.5
3/6/2018495.1498.1
3/7/2018495.7498.7
3/8/2018496.2499.2
3/9/2018496.8499.8
3/10/2018497.4500.4
3/11/2018498.0501.0
3/12/2018498.3501.3

Phase 2:

FromThroughLowHigh
3/13/20183/19/2018498.6501.6
3/20/20183/26/2018499.4502.4
3/27/20184/02/2018500.1503.1
4/03/20184/09/2018500.9503.9
4/10/20184/16/2018501.7504.7
4/17/20184/23/2018502.4505.4
4/24/20184/30/2018503.2506.2
5/01/20185/08/2018504.0507.0
5/09/20185/15/2018505.5508.5
5/16/20185/23/2018506.5509.5
5/24/20189/15/2018506.5509.3

 

Filed Under: Fill Schedule, Tulloch Reservoir

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Water Data

Data For 04/14/2021

Elevation (feet above sea level)

Donnells 4,774.08

Beardsley 3,312.10

Tulloch 502.89

Storage (acre feet)

Donnells 14,564

Beardsley 44,472

Tulloch 58,486

Outflow (cubic feet/sec)

Donnells 27

Beardsley 140

Tulloch 649


*Spilling

View historical data

News & Updates

Tulloch Spring/Summer Season Electrical Tips

April 8, 2021 by Tri-Dam Project

Tulloch Spring 2021 Fill Schedule

March 15, 2021 by Tri-Dam Project

Road Conditions

Current road conditions to Beardsley and Donnells Reservoirs can be found on their respective pages.

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