9376

• UCREFRP Catalog Number: 9376
• Author: CH2MHill.
• Title: Duchesne River Hydrology and Water Availability Study.
• USFW Year: 1997.
• USFW - Doc Type: \
• Copyright Material: NO

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Table of Contents
Tables
Page No.
TABLE ES-1 DUCHESNE RIVER AT RANDLETT ................................................................................................... ES-2
TABLE ES-2 YEARLY FLOW DIFFERENCE (BETWEEN USBR PRE-DEVELOPMENT RECOMMENDATIONS
AND RANDLETT) ............................................................................................................................ ES-3
TABLE ES-3 TOTAL EXPECTED DEPLETIONS ...................................................................................................... ES-4
TABLE ES-4 USFWS PRELIMINARY FLOW RECOMMENDATIONS ....................................................................... ES-4
TABLE ES-S FLOW DIFFERENCES USFWS TO ACTUAL DRY YEAR .................................................................... ES-6
TABLE ES-6 POTENTIAL WATER SOURCES ......................................................................................................... ES-7
TABLE 4-1 AVERAGE MONTHLY FLOWS (CFS) ............................................................................................... .. 4-1
TABLE 4-2 DUCHESNE RIVER AT RANDLETT (CFS & AC-FT) ......................................................................... .. 4-3
TABLE 4-3 AVERAGE MONTHLY FLOW$ AT RANDLETT (1943-1994) IN CFS .................................................... 4-4
TABLE 4-4 AVERAGE MONTHLY FLOWS AT RANDLETT (1943-1994) IN AC-FT ................................................ 4-S
TABLE 4-5 DUCHESNE RIVER NEAR RANDLETT STATISTICAL FLOW VALUES FOR 1943 -1969 IN CFS .............. 4-6
TABLE 4-6 DUCHESNE RIVER NEAR RANDLETT STATISTICAL FLOW VALUES FOR 1970 -1994 IN CFS .............. 4-7
TABLE 4-7 DUCHE$NE RI VER NEAR RANDLETT STATISTICAL FLOW VALUES FOR 1943 -1994 IN CFS .............. 4-8
TABLE 4-8 ACTUAL (1943-1994) AND CALCULATED (1912-1942) FLOW DATA AT RANDLETT IN CFS ............. 4-9
TABLE 4-9 ACTUAL (1943-1994) AND CALCULATED (1912-1942) FLOW DATA AT RANDLETT IN AC-FT ...... 4-10
TABLE 5-1 AVERAGE YEARLY FLOW DIFFERENCE (USBR PRE-DEVELOPMENT FLOW VS RANDLETTE
GAUGE FLOWS ................................................................................................................................. S-2
TABLE 5-2 USBR NATURAL FLOW OF DUCHESNE RIVER AT RANDLETT (CFS) .................................................. S-3
TABLE 5-3 USBR NATURAL FLOW OF DUCHESNE RIVER AT RANDLETT (ACRE-FEET) ..................................... S-4
TABLE 6-1 SUMMARY STATISTICS FOR BONNEVILLE UNIT DIVERSION .............................................................. 6-2
TABLE 6-2 TOTAL MONTHLY FLOWS -STRAWBERRY AQUEDUCT INTO
STRAWBERRY RESERVOIR (1972-1995) ........................................................................................... 6-3
TABLE 7-1 TOTAL EXPECTED DEPLETIONS ........................................................................................................ 7-2
TABLE 8-1 USFWS PRELIMINARY RECOMMENDED FLOW (IN CFS & AC-FT) .................................................... 8-2
TABLE 9-1 FLOW NEEDED MONTHLY AND ANNUALLY TO MEET USFWS PRELIMINARY FLOW
RECOMMENDATIONS ........................................................................................................................ 9-2
TABLE 9-2 FLOW DIFFERENCES USFWS PRELIMINARY RECOMMENDED/ACTUAL FOR
DRY YEAR (1912-1994) IN AC-FI' .................................................................................................. 9-4
TABLE 9-3 FLOW DIFFERENCES USFWS PRELIMINARY RECOMMENDED /ACTUAL FOR
DRY YEAR (1912-1994) IN AC-FT .................................................................................................. 9-5
TABLE 10-1 MAJOR STORAGE FACILITIES ON THE DUCHESNE RIVER ............................................................... . 1 O-4
TABLE 10-2 POTENTIAL WATER SOURCES ........................................................................................................ . 10-4
Figures

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FIGURE 1-1 MAP: DUCHESNE RIVER HYDROLOGY WATER AVAILABILITY STUDY .......................................... 1-3
FIGURE 4-1 DUCHESNE RIVER NEAR RANDLETT AVERAGE MONTHLY FLOW ................................................. 4-11
FIGURE 4-2 DUCHESNE RIVER NEAR RANDLETT OCT -JAN FLOW DURATION CURVES -DAILY VALUES ....... 4-12
F[GURE 4-3 DUCHESNE RIVER NEAR RANDLETT FEB - MAY FLOW DURATION CURVES - DAII.Y VALUES...... 4-13
FIGURE 4-4 DUCHESNE RIVER NEAR RANDLETT JUNE - SEPT FLOW DURATION CURVES -DAILY VALUES.... 4-14
FIGURE 4-S DUCHESNE RIVER NEAR RANDLETT- 25% EXCEEDANCE WITH DAILY VALUES ........................ 4-15
FIGURE4-6 DUCHESNE RIVER NEAR RANDLETT- SO% EXCEEDANCE WITH DAII.Y VALUES ........................ 4-lf)
FIGURE 4-7 DUCHESNE RIVER NEAR RANDLETT - 75% EXCEEDANCE WITH DAILY VALUES ........................ 4-17
FIGURE 4-8 DUCHESNE RIVER NEAR RANDLETT, WEIBULL'S PLOTTING OF MINIMUM FLOWS FOR THE
5-YEAR RETURN PERIOD ............................................................................................................. 4-18
FIGURE 4-9 DUCHESNE RIVER NEAR RANDLETT, WEIBULL'S PLOTTING OF MINIMUM FLOWS FOR THE
10-YEAR RETURN PERIOD .......................................................................................................... 4-19
SLC\73410TREPTI.DOC