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<br />. Water Yllar 1972 1
<br />
<br />Upper Basin Reservoirs
<br />
<br />Foulltellelle
<br />Reservoir
<br />_n~
<br />
<br />
<br />STATISTICS
<br />ACTIVE STORAGE"
<br />{ACRE.FEETI ELEVATION (FEETI
<br />344,834 6506
<br />233.789 6491
<br />194.962 6465
<br />80SS ACRES
<br />18MILES
<br />
<br />RESERVOIR
<br />MAXIMUM STORAGE
<br />RATED HEAD
<br />MINIMUM POWER
<br />SU~.FA.CE AREA '.~lJlU
<br />RESERVOIR LENGTH IFULl)
<br />POWER PLANT
<br />NUMBER OF UNITS 1
<br />TOTALCAPAClTY 1Q,ooO KILOWATTS
<br />'does nor Include 563 acre f~er of dt;id storilt}e below 6408 feet
<br />
<br />OUTFLOW
<br />
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<br />~ 2
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<br />
<br />During the past year, Fontenelle Reservoir has
<br />been operated for hydroelectric generation,
<br />flood control, fish and wi]dlife enhancement.
<br />and for recreation, During the fall and winter of
<br />1970-7 \, the reservoir was slowly reduced from
<br />elevation 6,492 feet at the beginning of the year
<br />to a low prior to spring runoff of elevation
<br />6.48 \ feet in April. The minimum release during
<br />the fall and winter was 600 cubic feet per
<br />second (c,f.s.) in order that power could be
<br />generated at the powerplant. Starting March 19.
<br />1971, releases were gradually increased to 1,450
<br />c,f.s, on March 27 to force the geese to build
<br />their nests on higher ground, After the actual
<br />geese-nesting period. a maximum of 10,900 c,f.s,
<br />had to be released at the end of June when the
<br />reservoir was within 23,000 acre-feet of being
<br />full, The reservoir as of September 30, 1971,
<br />had 330,000 acre-feet of active storage at ele-
<br />vation 6,504 feet, two feet below maximum
<br />water surface level.
<br />
<br />During water year 1971. the Green River
<br />Apri]-Ju]y inflow to Fontenelle was 150 perant
<br />of the long-time average and releases to control
<br />the peak inflow reached 11,000 c,f.s, No flood
<br />damage was sustained below Fontenelle Dam,
<br />(Chart] )
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<br />Waler Year 1971
<br />
<br />2
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