North Platte Water Supply Update

• File Number: 8461.250
• Description: Water Issues
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 11/8/2006
• Author: Bureau of Reclamation, Wyoming Area Office
• Title: North Platte Water Supply Update
• Water Supply Pro - Doc Type: Data

NPRAOP V1.1K 21-Mar-2003 Run: 2-Nov-2006 11:45 Paqe 1
Based on November 2006 Most Probable Seminoe Inflow Estimates (April-July 761,400 AF)
NORTH PLATTE RIVER OPERATING PLAN
Year Heginninq Nov 2006
HYDROLOGY OPERATIONS
--------------------
Seminoe Reservoir Operations
----------------------------
Nov
Total Inflow kaf 28.4
Total Inflow cfs 477.
Turbine Release kaf 31.6
Jetfloor Release kaf 0.0
Spilloray Release kaf 0.0
Total Release kaf 31.6
Total Release cfs 531.
Evaporation kaf 1.1
End-month content kaf 271.8
End-month elevation ft 6299.3
Kortes Reaervoir Operations
---------------------------
Nov
Total Inflow kaf 31.6
Total Inflow cfs 531.
Turbine Release kaf 31.5
Spillray Release kaf 0.0
Total Release kaf 31.5
Total Release cfs 529.
Pathfinder Reservoir Operations
-------------------------------
Nov
Sweeto+ater Inflow kaf 3.6
Kortes-Yath Gain kaf 2,3
Inflow from Kortes kaf 31.5
Total Inflow kaf 37.4
Total Inflow cfs 629.
Dec
23.9
389.
32.7
0.0
0.0
32.7
532.
0.6
262.7
6298.1
Dec
32.7
532.
32.7
0.0
32.7
532.
Dec
3.3
2.4
32.7
38.4
625.
Initial Content 274.8 Kaf Operating Limits: Max 1017.3 Kaf, 6357.00 Ft.
Min 31.7 Kaf, 6239.02 Ft.
Jan Feb Mar Api May Jun Jul Aug Sep Oct
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
22.0 22.8 51.0 113.4 239.5 315.4 93.1 34.2 19.2 30.0
358. 411. 829. 1906. 3895. 5300. 1514. 556. 323. 488.
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
532. 531. 530. 1375. 2000. 2235. 2422. 2422. 2175. 529.
0.6 0.6 1.2 2.4 2.8 5.8 7.0 5.2 3.1 2.1
251.4 244.1 261.3* 290.5* 401.5* 577.6* 515.3 396.0* 283.0* 279.5#
6296.5 6295.4 6297.9 6301.8 6314.5 6330.2 6325.1 6313.9 6300.8 6300.3
Initial Content 4.7 Kaf Operatinq Limits: Max 4.8 Kaf, 6142.73 Ft.
Min 1.7 Kaf, 6092.73 Ft.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
532. 531. 530. 1375. 2000. 2235. 2422. 2422. 2175. 529.
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
532. 531. 530. 1375. 2000. 2235. 2422. 2422. 2175. 529.
Initial Content 225.7 Kaf Operatinq Limita: Max 1016.5 Kaf, 5850.10 Ft.
Min 31.4 Kaf, 5746.00 Ft.
Jan Feb Mar Apr May Jun Jul Auq Sep Oct
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
3.5 3.9 4.8 14.0 19.0 15.9 4.9 2.3 1.2 3.4
1.6 1.3 6.3 7.7 7.3 4.6 8.7 7.8 4.0 4.1
32.7 29.5 32.6 81.8 123.0 133.0 148.9 148.9 129.4 32.5
37.9 34.7 43.7 103.5 149.3 153.5 162.5 159.0 134.6 40.0
615. 625. 711. 1739. 2428. 2580. 2643. 2586. 2262. 651.
Turbine Release kaf 22.3
Jetflox Release kaf 4.5
Spillway Release kaf 0.0
Total Release kaf 26.8
Total Release cfs 450.
Evaporation kaf 1.0
End-month content kaf 235.3
End-month elevation ft 5791.7
26.3
4.6
0.0
30.9
503.
0.6
242.2
5792.7
26.3
4.6
0.0
30.9
503.
0.6
248.5
5793.6
23.8 47.9 101.4
4.2 4.6 4.5
0.0 0.0 0.0
28.0 52.5 105.9
504. 854. 1780.
0.6 1.2 2.3
254.6 244.6 239.9
5794.4 5793.0 5792.4
142.1
4.6
0.0
146.7
2386.
2.7
239.8
5792.3
148.5
4.5
0.0
153.0
2571.
4.0
236.3
5791.8
157.1 153.9 129.3 3.3
4.6 4.6 4.5 4.E
0.0 0.0 0.0 0.0
161.7 158.5 133.8 7.5
2630. 2578. 2249. 128.
4.5 3.9 3.0 2.Q
232.6 229.2 227.0 257.1
5791.3 5790.8 5790.5 5794.8
Alcova Reservoir Operationa Initial Content 1$8.7 Kaf Operatinq Limits: Max 184.4 Kaf, 5500.00 Ft.
--------------------------- Min 145.3 Kaf, 5483.12 Ft.
Nov Dec Jan Feb Mar Apr May Jun Jul Auq Sep Oct
------ ------ ------ ------ ------ ------ ------ ----'- ------ ------ ------ ------
Total Inflow kaf 26.8 30.9 30.9 28.0 52.5 105.9 146.7 153.0 161.7 158.5 133.8 7.9
Total Inflow cfa 450. 503. 503. 504. 854. 1780. 2386. 2571. 2630. 2578. 2249. 128.
Turbine Release kaf 29.3 30.7 30.7 27.8 52.1 81.6 135.7 135.6 140.1 140.1 125.7 30.7
Spillway Release kaf 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Casper Canal Release kaf 0.0 0.0 0.0 0.0 0.0 0.0 10.0 16.0 20.0 17.0 7.0 0.0
Total Release kaf 29.3 30.7 30.7 27.8 52.1 81.6 145.7 151.6 160.1 157.1 132.7 30.7
Total Release cfs 492. 499. 499. 501. 847. 1371. 2370. 2548. 2604. 2555. 2230. 499.
Evaporation kaf 0.3 0.2 0.2 0.2 0.4 0.8 1.0 1.4 1.6 1.4 1.1 0.7
End-month content kaf 155.9* 155.9+ 155.9* 155.9* 155.9* 179.4* 179.4* 179.4* 179.4* 179.4* 179.4* 155.9*
End-month elevation ft 5487.9 5487.9 5487.9 5467.9 5487.9 5496.0 5498.0 5498.0 5498.0 5498.0 5498.0 5487.9