WSPC02161

• File Number: 8408
• Description: River Basin General Correspondence
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 5/1/1991
• Title: Platte River Evaluation: USBR - North Platte River Projects Water Supply and Utilization Report
• Water Supply Pro - Doc Type: Report/Study

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INFLOWS

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Inflow to the Basin drainage area for the month of April was below average for all
reservoirs. The Seminoe inflow was the 3rd lowest in 50 years.

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Octoher-April
April Inflow Inflow
"" Percent of "" "" "" "" > of
Reservoir 1991 Avg. ~/ Average 1990 1989 1988 1991 Avg !/ Avg.
Seminoe 55.3 117.4 47 76.7 82.2 176.7 195.9 315.7 62>
Pathfinder 1/ 16.5 21. 3 77 17.0 8,0 25.3 35.6 41.3 86>
Glenda 2../ 19.0 39.2 48 16.0 -3.6 63.7 84.1 124.1 68>
Guernsey 1/ -1.1 ~/ 3,9 0 -0.3 6,6 6,6 6,' 13.4 46>

. (1.000 acre-feet)

1/ River gain between Kartes and Pathfinder Reservoirs.
2../ River gain between Alcova and Glenda Reservoirs.
1/ River gain between Glenda and Guernsey Reservoirs.
!/ Average for the period of record 1961-1990.
~/ If the water flowing into Guernsey is less than the water flowing out of Glenda then
there is no net gain to that reach of the river but rather a loss. This loss is shown in
the table as a negative inflow which also decreases the October-April inflow for the water
year.
Note: It is assumed that there is no gain from Seminoe to Kortes and Pathfinder to
Alcova.

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