PRRIP Meetings North Platte 04/21/2009

• Description: Agenda, Update of Districts 2009 Operations, North Platte River Water Supply Update, RCC REpresentatives and Alternates for the Upcoming 2010 Water Year Divisions 1, 6
• State: CO
• State: NE
• State: WY
• Basin: North Platte
• Basin: South Platte
• Water Division: 1
• Date: 4/21/2009
• Author: Various
• Title: Operations, North Platte River Water Supply Update, RCC Representatives and Alternates for the Upcoming 2010 Water Year Divisions 1, 6
• Water Supply Pro - Doc Type: Meeting

NPRAOP V1.1K 21 -Mar -2003 Run: 2- Apr -2009 17:35 Page 2
Based on Expected April -July Inflow Estimates: Seminoe 700KAF / Sweetwater 30KAF / Alcova- Glendo 100KAF
NORTH PLATTE RIVER OPERATING PLAN
Year Beginning Apr 2009
Gray Reef Reservoir Operations Initial Content 1.8 Kaf Operating Limits: Max 1.1 Kaf, 5327.42 Ft.
------------------------ - - - - -- Min 0.0 Kaf, 5306.00 Ft.
Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar
- - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - -- - --
Total inflow kaf 129.1 138.8 132.5 133.9 133.8 56.7 30.7 29.8 30.7 30.7 27.8 40.2
Total Inflow cfs 2170. 2257. 2227. 2178. 2176. 953. 499. 501. 499. 499. 501. 654.
Total Release kaf 129.8 138.8 132.4 133.8 133.7 56.6 30.7 29.8 30.7 30.7 27.8 40.2
Total Release cfs 2181. 2257. 2225. 2176. 2174. 951. 499. 501. 499. 499. 501. 654.
Glendo Reservoir Operations Initial Content 334.6 Kaf Operating Limits: Max 789.4 Kaf, 4653.00 Ft.
--------------------- - - - - -- Min 63.2 Kaf, 4570.02 Ft.
Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar
- - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- - - - - -- -- - - -- - - - - -- - - - - --
Alcova- Glendo Gain kaf 39.6 53.0 8.8 -1.5 -2.7 6.9 13.2 11.5 - 7.7 8.2 15.6 17.5
Infl from Gray Reef kaf 129.8 138.8 132.4 133.8 133.7 56.6 30.7 29.8 30.7 30.7 27.8 40.2
Total Inflow kaf 169.4 191.8 141.2 132.3 131.0 63.5 43.9 41.3 38.4 38.9 43.4 57.7
Total Inflow cfs 2847. 3119. 2373. 2152. 2131. 1067. 714. 694. 625. 633. 781. 938.
Turbine Release kaf 19.4 164.6 168.3 226.6 218.9 40.1 0.0 0.0 0.0 0.0 0.0 0.0
Low Flow Release kaf 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
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
Irrigation Release kaf 0.0 0.0 0.0 76.9 91.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total Release kaf 20.9 166.1 169.8 305.0 312.2 41.6 1.5 1.5 1.5 1.5 1.5 1.5
Total Release cfs 351. 2701. 2854. 4960. 5077. 699. 24. 25. 24. 24. 27. 24.
Evaporation kaf 3.1 5.0 6.7 6.3 3.7 1.9 1.1 0.7 0.7 0.7 0.8 1.6
End -month content kaf 480.0* 500.0* 465.0* 284.7 100.0* 120.0* 161.3# 200.4 236.6 273.3 314.4# 369.0*
End -month elevation ft 4631.9 4633.6 4630.5 4611.4 4580.3 4585.0 4593.2 4599.7 4605.0 4609.9 4615.0 4621.1
Guernsey Reservoir Operations Initial Content 20.1 Kaf Operating Limits: Max 45.6 Kaf, 4419.99 Ft.
------------- ---------- - - - - -- Min 0.0 Kaf, 4370.00 Ft.
Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar
- - - - -- ------ - - - - -- - - - - -- ---- -- - ----- - - - - -- -- - - -- - - - - -- ------ - - - - -- - - - - --
Glendo- Guerns Gain kaf 5.0 7.9 3.2 2.1 1.7 5.1 3.4 2.1 1.9 1.4 1.0 0.6
Inflow from Glendo kaf 20.9 166.1 169.8 305.0 312.2 41.6 1.5 1.5 1.5 1.5 1.5 1.5
Total Inflow kaf 25.9 174.0 173.0 307.1 313.9 46.7 4.9 3.6 3.4 2.9 2.5 2.1
Total Inflow cfs 435. 2830. 2907. 4995. 5105. 785. 80. 60. 55. 47. 45. 34.
Turbine Release kaf 20.1 53.8 51.8 53.6 53.6 55.4 0.0 0.0 0.0 0.0 0.0 0.0
Seepage kaf 0.4 1.2 3.0 3.1 2.5 0.3 0.3 0.2 0.3 0.4 0.3 0.3
Spillway Release kaf 0.0 115.3 117.2 249.3 256.9 14.3 0.0 0.0 0.0 0.0 0.0 0.0
Total Release kaf 20.5 170.3 172.0 306.0 313.0 70.0 0.3 0.2 0.3 0.4 0.3 0.3
Total Release cfs 345. 2770. 2891. 4977. 5090. 1176. 5. 3. 5. 7. 5. 5.
Evaporation kaf 0.5 0.7 1.0 1.1 0.9 0.7 0.2 0.2 0.2 0.2 0.2 0.3
End -month content kaf 25.0* 28.0* 28.0* 28.0* 28.0* 4.0* 8.4# 11.6 14.5 16.8 18.8# 20.3#
End -month elevation ft 4410.4 4411.9 4411.9 4411.9 4411.9 4392.8 4398.7 4401.7 4403.9 4405.5 4406.8 4407.7