WSP05071

• File Number: 8146.400
• Description: Pueblo Dam - Reports
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 10/1/1994
• Author: US Geological Survey
• Title: Use of Frequency Analysis and the Extended Streamflow Prediction Procedure to Estimate Evacuation Dates for the Joint-Use Pool of Pueblo Reservoir Colorado
• Water Supply Pro - Doc Type: Report/Study

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250.000

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Includes esUmated discharges for waler years 1978-90

200.000

150,000

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100,000

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&b 50,000
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5 ~ g ~ ~ ~ ~ ~ ~ ~ ~ ~ M ro m ~ M 00 ~

NUMBER OF YEARS FOR WHICH THE APRIL IS-MAY 14 INFLOW
VOLUME WAS LESS THAN OR EQUAL TO THE INDICATED VOLUME

Figure 18. Cumulativelrequency di5tribution 01 recorded April IS-May 14 discharge volumes lor
station 07099500 Arkansas River near Pueblo.

MaytS

,

,

May to

. Evacuation date estimated by routing recorded daily mean
discharges for station 01099500 Arkan9a!I River near
Pueblo through Pueblo ReseNoil'

Assumed relation shown ill figure 17

May 5

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.......
-- .......
- .....~.. .

.

April 30

-

......
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...............

Aprll25

.

Aprll20 f-

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April'S
o

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SO.OOO

250.000

,
100.000

,
lSO.000

200.000

RECORDED APRIL IS-MAY 14 INFLOW VOLUME
TO PUEBLO RESERVOIR, IN ACRE-FEET

Figure 19. Estimated evacuation dates for the joint-use pool 01 Pueblo Reservoir lor recorded April IS-
May 14 innow volumes.

38 Use 01 Frequency Anslysls and lhe Eldandad Streamflow Pradlc:Uon Procadura to Estlmata Evacuation Dates lor the
Joint-Use Pool 01 Pueblo Reaervolr. Colorado