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<br />c.;:> STORAGE IN RESERVOIRS
<br />
<br />Reservoirs in Rio Grande Basin in New Mexico
<br />(Constructed or enlarged since 1929)
<br />
<br />Heron Resetvoir.-Water-stage recorder, lat 36039'56", long 106042'13", on Willow Creek. Storage began in October 1970. Capacity,
<br />401,300 acre*ft at elevation 7,186.1 {t (low point on crest of spillway); dead storage, 1,340 acre-ft at elevation 7,003.0 ft. Used {or storage
<br />oftransmountain water.
<br />
<br />Month-end elevation, in feet, and contents, in acre-feet
<br />
<br />Date Elevation Contents Change in Contents
<br />Decpmber 31, 1993 7,183.79 387,820
<br />JrlOuary 31,1994 7,182.49 380,340 -7.480
<br />Fcbma ry 28 7,180.54 369,260 -11,080
<br />March 31 7,178.07 355,510 -13,750
<br />April 30 7,176.04 344.430 -11,060
<br />May31 7,184.70 393,110 +48,680
<br />June 30 7,185.80 399,560 +6,450
<br />July 31 7,185.54 398,030 -1,530
<br />August 31 7,185.28 3%,510 -1,520
<br />September 30 7,184.90 394,280 -2,230
<br />October 31 7,184.62 392,650 -1,630
<br />November 30 7,184.60 392,530 -120
<br />Decemher 31 7,184.09 389,560 -2,970
<br />Calendar year 1994 +1,740
<br />
<br />EI Vado Reservoir.-Water-stage recorder and surface follower, lat 36035'39", long 106044'00", on Rio Chama. Storage began in January
<br />1935. Capacity, 186,250 acre-ft at gage height 6,902.0 feet (crest of spillway); dead storage, 4flO acre-ft, below gage height 6,775.0 ft
<br />(invert of outlet works), as determined by survey in 1984. Datum of gage is 8.21 feet above mean sea level. datum of 1929. Storage
<br />includes both Rio Grande and transmountain water.
<br />
<br /> Month-end gage height, in feet, and contents, in acre-feet
<br />Date Gage height Contents Change in contents TM Water
<br />December 31,1993 6,871.57 103,390 65,600
<br />January 31, 1994 6,870.87 101,880 -1,510 64,130
<br />Febnlary 28 6,873.06 106,700 ,4,820 68,820
<br />Ma rch 31 6,884.12 133,560 +26,860 79,830
<br />April 30 6,885.98 138,510 +4,950 112.190
<br />May31 6,896.67 169,450 +30,940 111,910
<br />June 30 6,900,34 180,930 +11,480 111,240
<br />July 31 6,887.24 141,930 -39,000 104,110
<br />August 31 6,873.48 107,600 -34,330 96,070
<br />September 30 6,867.34 94,520 -13,080 92.740
<br />October 31 6,863.34 86,680 -7,840 84,200
<br />November 30 6,861.20 82.680 -4,000 79,920
<br />December 31 6,859.40 79,430 -3,250 76,380
<br />Calendar year 1994 -23,960
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