North Platte River Operating Plan

• File Number: 8461.250
• Description: Water Issues
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 4/2/2008
• Author: Unknown
• Title: North Platte River Operating Plan
• Water Supply Pro - Doc Type: Operating Principles/Plan

NPRAOP V1.1R 21-Mar-2003 Run: 2-Apr-2008 16:44 Page 2
8ased on Expected Apr-Jul runoff: Seminoe 750KAF / Sweetwater 50KAF / Alcova-Glendo 100KAF
NORTH PLATTH RIVBR OPBRATING PLAN
Year Begiaaiag Apr 2008
Gray Reef Reservoir Operations Iaitial Content 1.7 Raf Oparating Limits: Max 1.1 Raf, 5327.42 Ft.
----------" "---------------- Min 0.0 Raf. 5306.00 Ft.
Apr May Jua Jul Aug Sep Oct Nov Dec Jaa Feb Mar
---'-' ------ ------ ------ ------ ------ ----" ------ ------ ------ ------ ------
Total inflow kaf 90.6 128.9 130.9 127.1 127.0 29.9 30.7 29.8 30.7 30.7 27.8 30.7
Total Inflow cfs 1523. 2096. 2200. 2067. 2065. 502. 499. 501. 499. 499. 501. 499.
Total Release kaf 91.2 128.9 130.8 127.0 126.9 29.8 30.7 29.8 30.7 30.7 27.8 30.7
Total Release cfa 1533. 2096. 2198. 2065. 2064. 501. 499. 501. 499. 499. 501. 499.
Glendo Reservoir Operatioas Iaitial Coateat 337.7 Raf Operatiag Limita: Max 789.4 Kaf, 4653.00 Ft.
--------------------------- Min 63.2 Raf, 4570.02 Ft.
Apr May Jua Jul Aug Sep Oct Nov Dec Jan Peb Mar
------ '----- ------ ------ ------ ------ ------ ------ ------ ------ ---'-- ------
Alcova-Glendo Gain kaf 43.0 53.2 6.1 -2.3 -3.2 7.1 13.9 12.1 8.2 8.4 16.3 18.4
infl from Gray Reef kaf 91.2 128.9 130.8 127.0 126.9 29.8 30.7 29.8 30.7 30.7 27.8 30.7
Total Iaflow kaf 134.2 182.1 136.9 124.7 123.7 36.9 44.6 41.9 38.9 39.1 44.1 49.1
Total Inflow cfs 2255. 2962. 2301. 2028. 2012. 620. 725. 704. 633. 636. 794. 799.
Turbine Release kaf 22.5 156.2 146.4 225.2 218.1 2.7 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
irrigatioa Release kaf 0.0 0.0 0.0 59.5 81.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total Release kaf 24.0 157.7 147.9 286.2 301.1 4.2 1.5 1.5 1.5 1.5 1.5 1.5
Total Release cfs 403. 2565. 2486. 4655. 4897. 71. 24. 25. 24. 24. 27. 24.
Evaporation kaf 2.9 4.7 6.3 6.1 3.6 1.9 1.1 0.8 0.7 0.7 0.8 1.7
End-moath coateat kaf 445.0* 464.0* 445.0* 277.5 96.0* 126.9 168.9 208.5 245.2 282.1 323.9# 369.8#
End-month elevatioa ft 4628.7 4630.4 4628.7 4610.5 4579.3 4586.5 4594.6 4600.9 4606.2 4611.1 4616.1 4621.2
Guernsey Reservoir Operatioas iaitial Coateat 16.9 Raf Operatiag Limits: Max 45.6 Raf, 4419.99 Ft.
----------------------------- Mia 0.0 Raf, 4370.00 Ft.
Apr May Jua Jul Aug Sep Oct Nov Dec Jan Feb Mar
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
Glendo-Gueras Gain kaf 4.6 8.1 3.1 1.9 1.8 5.0 3.5 2.1 1.8 1.3 1.3 0.7
Inflow from Glendo kaf 24.0 157.7 147.9 286.2 301.1 4.2 1.5 1.5 1.5 1.5 1.5 1.5
Total Inflow kaf 28.6 165.8 151.0 268.1 302.9 9.2 5.0 3.6 3.3 2.8 2.6 2.2
Total Iaflow cfa 481. 2696. 2538. 4685. 4926. 155. 81. 60. 54. 46. 50. 36.
Turbine Release kaf 19.6 53.8 51.8 56.5 56.5 32.7 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 0.0 107.1 95.2 247.4 223.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total Release kaf 20.0 162.1 150.0 307.0 282.0 33.0 0.3 0.2 0.3 0.4 0.3 0.3
Total Release cfs 336. 2636. 2521. 4993. 4586. 555. 5. 3. 5. 7. 5. 5.
8vaporatioa 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* 8.0* 28.0* 3.5* 8.0 11.2 14.0 16.2 18.5# 20.1#
End-month elevation ft 4410.4 4411.9 4411.9 4398.3 4411.9 4391.8 4398.3 4401.4 4403.6 4405.1 4406.6 4407.6