WSP04347

• File Number: 8282.600.10
• Description: Colorado River Operating Annual Reports
• Basin: Colorado Mainstem
• Date: 1/1/1977
• Author: USDOI/BOR
• Title: Operation of the Colorado River Basin 1977 Projected Operations 1978
• Water Supply Pro - Doc Type: Publication

Davis Dam, Lake Mohave

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At the beginning of water year 1977, the water sur.
face elevation of Lake Mohave was 644 feet, with an
active storage of 1,721,000 acre.feet, During the
spring months, the water level was raised to ap-
proximately 645 feet at the end of April and main.
tained between that level and 631 feet through
September. The highest water level was 646 feet,
with an active storage of 1,794,000 acre.feet on
May 18, 1977, which is about the beginning of the
heavy irrigation season, The water level was drawn
down during the summer months to elevation 631
feet, with an active storage of 1,465,000 acre.feet
at the end of the water year.

Lake Mohave releases were made monthly to sat-
isfy downstream requirements, with a small amount
of reregulation at Lake Havasu. During the water
year, 8,058,000 acre-feet were released at Davis
Dam, all of which passed through the turbines
for power production, (Chart 9.)

STATISTICS
ACTIVE STallAGE-

RESERVOIR

MAXIMUM STORAGE
RATED HEAD
MINIMUM PowER
SURFACE AREA (FULll
RESERVO'R LE"lGTH (FUl\..l

(ACRE-
FEETJ
1,810,000
1,188,000
:217,500
28.100.ACRES
67~llES

ELEVATION
PEET
647.Q
623.0
570.0

POWER PL.ANT
NUMBER OF UNITS 5
TOTAL CAPACITY OF UNITS 215.000 KILOWA TTS

'riOl1S not i/lClud~ 8 530 .crfl.l~r of deM1 Slor""e b~!DW
./ell~"on S3339ttet

OUTFLOW

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