Final Environmental Impact Statement Volume I, Main Text and Appendices A-J

• Description: related to the Platte River Endangered Species Partnership ‎(aka Platte River Recovery Implementation Program or PRRIP)‎
• State: NE
• Basin: South Platte
• Water Division: 1
• Date: 7/1/1998
• Author: Federal Energy Regulatory Commission ‎(FERC)‎ Office of Hydropower Licensing
• Title: Final Environmental Impact Statement ‎(EIS)‎ - Volume I, Main Text and Appendices A-J - Kingsley Dam ‎(FERC Project No. 1417)‎ and North Platte/Keystone Dam ‎(FERC Project No. 1835)‎ Projects, Nebraska, FERC/FEIS-0063
• Water Supply Pro - Doc Type: EIS

FIGURES
Figure 2 -1. The Platte River System.
2 -3
Figure 2 -2. Schematic Diagram of the Platte River and Diversion Systems Between
Lewellen/Julesburg and Overton. 2 -4
Figure 3 -1. Location of major upstream water development projects in the North Platte
and South Platte river basins. 3 -3
Figure 3 -2. Flow (cfs) patterns and reservoir storage (KAF) patterns in the project
reach in July 1990. 3 -7
Figure 3 -3. Flow (cfs) and reservoir storage (KAF) patterns in the project reach in
February 1990.
3 -8
Figure 3 -4. Maximum daily water temperature in the North Platte River below the
Keystone Diversion Dam from May 4, 1988 to September 30, 1988.
3 -10
Figure 3 -5. Maximum daily water temperature in the North Platte River at the Paxton
Bridge from May 4, 1988 to September 30, 1988.
3 -10
Figure 3 -6. Maximum daily water temperature in the Platte River above the J -2 Return
from June 22, 1989 to October 1, 1989.
3 -12
Figure 3 -7. Maximum daily water temperature in the Platte River at Overton, Nebraska
from June 21, 1989 to September 30, 1989.
3 -12
Figure 3 -8. Maximum daily water temperature in the Platte River at Kearney, Nebraska
from June 23, 1989 to October 1, 1989.
3 -13
Figure 3 -9. Maximum daily water temperature in the Platte River at Grand Island,
Nebraska from June 23, 1989 to October 1, 1989.
3 -13
Figure 3 -10. Plot of air temperature versus maximum daily water temperature (lagged
1 day) in the Platte River at Grand Island, Nebraska.
3 -14
Figure 3 -11. Plot of Platte River discharge at Grand Island versus maximum daily
water temperature (lagged 1 day) in the Platte River at Grand Island, Nebraska.
3 -14
Figure 3 -12. Significant rises in Nebraska groundwater levels.
3 -17
Figure 3 -13. 1940 Water Table and Flow Directions.
3 -19
Figure 3 -14. 1981 Water Table and Flow Direction.
3 -20
Figure 3 -15. Channel pattern of the Platte River 2,800 feet downstream of the Overton
Bridge.
3 -23
Figure 3 -16. Historical trends in channel width at gage locations in the Big Bend
Reach of the Platte River.
3 -25
Figure 3 -17. Flow duration curves of Platte River near Overton.
3 -29
Figure 3 -18. Flow duration curves of Platte River near Grand Island.
3 -30
Figure 3 -19. Groundwater depths exceeded about 50 percent of the days, 1989 -1992,
Mormon Island Crane Meadows.
3 -50
Figure 3 -20. Groundwater depths exceeded about 90 percent of the days, 1989 -1992,
Mormon Island Crane Meadows.
3 -50
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