WSP05214

• File Number: 8141.700
• Description: Fryingpan-Arkansas Project - Annual Operating Plans and Reports
• State: CO
• Basin: Arkansas
• Water Division: 5
• Date: 11/1/1989
• Author: US DoI BoR
• Title: Annual Operating Plan Fryingpan-Arkansas Project Colorado 1989 - 1990
• Water Supply Pro - Doc Type: Annual Report

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1971

Twin Lakes and Mt. Elbert Forebay (a sin91e purpose storage facility for
pumped-storage peak power development) were operated for regu 1 at i on of
Project and nonproject water on a service basis, as well as for the
operation of Mt. Elbert Pumped-Storage Powerplant.

Pueblo Reservoir was operated for regul~tion of Project and nonproject
water on a service basis, as well a~ for flood control, fish and
wildlife, and recreation purposes. '

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III. HYDROLOGIC CONDITIONS AND MAJOR WEATHER EVENTS - WATER YEAR 1989

Runoff on the West Slope was below normal with inflow to Ruedi Reservoir
at 84,4DD acre-feet (64 percent of normal). West Slope imports to the
Arkansas River Basin were maximized throughout the year to collect as
much water as possible. Total imports w~re 36,400 acre-feet.
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Maximum temperature at Meredith occurred! on July 8, 1989, with 980, the
mi n imum temperature was recorded at -331 on Febru ary 7, 1989. Max imum
precipitation from snow was recorded on F~bruary 6, 1989, with 1.12 inches
of moisture and 14 inches of snowfall. Maximum precipitation from rain
occurred in the fi ve-day peri od of September 8-13 with 1. 24 inches of
rain.

The Arkansas River Basin runoff was below normal on the entire system.
Turquoise and Twin Lakes native runoff wa$ about 75 percent and 65 percent
respect ively. Pueb 10 Reservoi r nat i ve ,i nfl ow was about 71 percent of
normal. ,

Maximum temperature at SU9ar Loaf occurred on July 8, 1989, with 830, the
minimum temperature was recorded at _320 on February 7, 1989. Maximum
precipitation from snow was recorded on February 6, 1989, with 1.05 inches
of moisture from 16 inches of snow.: Maximum precipitation from
rain occurred during the five-day period Wrom July 24-28 with 2.04 inches
of rain. '

Twin Lakes maximum temperature was 8601 on July 5, 1989, and mimimum
temperature was a _450 on February 7, 1~89. Maximum precipitation was
recorded was 1.43 inches on July 24, 19~9. Maximum precipitation from
snow was recorded on February 6, 1989, with 16 inches of snow and
1.02 inches of moisture.

At Pueblo Reservoir, the maximum temperature occurred on July 9, 1989,
with a 1040 reading. The minimum te~perature reading of _160 was
recorded on February 7, 1989. Cl imatplogical readings indicate the
maximum amount of precipitation was re~orded on July 14, 1989, with
1.31 inches of moisture. On February 6, 1989, a 7 inch snow recorded
0.56 inch of moisture.