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<br />M Reservoirs in Rio Grande Basin in New Mexico
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<br />,I OJephant Butte Reservoir.--Water-Slage recorder in NWt see 30, T.13 S., R3 W., at dam on RIo Grande. storage
<br />. began Jan. 6, 1915; capacity 2, 195, 000 acre-ftatgage height 4,407.0 it (crest of Spillway), by survey of 1961. Datum
<br />of gage is 43.3 ft above mean sea level, datum of 1929. Water is used for power development and irrigation in
<br />New Mexico and Texas. Records furnished by Bureau of Reclamation.
<br />
<br />STORAGE IN RESERVOIRS
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<br />Month end gage height in feet and contents in acre feet
<br />
<br /> - ", -
<br /> Date Gage height Contents Change in contents
<br />December 31, 1963 . . . . . . ....... 4,291.18 112,000 -
<br />January 31, 1964 . . . . ........... 4,294.91 134,500 +22,500
<br />February 29 .................. 4,298.80 160,600 +26,100
<br />March 31 ..................... 4,297.76 153,300 -7,300
<br />April 30 ... .............. . . , . . 4,292.51 119,700 -33,600
<br />May 31 ....................... 4,295.04 135,400 + 15, 700
<br />June 30 . . . . . . . . . . . . . . . . . . ..... 4,293.70 126,900 -8,500
<br />JuJy 31 ....................... 4,287.99 94,500 -32,400
<br />August 31........ ............. 4,281.27 63,300 -31,200
<br />September 30. . . . . . . . . . . . . . . . . . 4,277.42 48,600 -14,700
<br />October 31 . . . . . . . . .. . . . . . . . . . . 4,277.86 50,100 +1,500
<br />November 30 . . . . . . . . . . . . . ..... 4,281.62 64,700 + 14, 600
<br />December 31 . . . _ . . . . . . . . . . . . . . 4,286.57 87,300 +22,600
<br />Calendar year 1964 ............ - - -24,700
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<br />Caballo Reservoir.--Water_stage recorder in SEiswi sec. 19, T.16 S., R.4 W., at dam on Rio Grande. Storage
<br />began Feb. 8, 1938; capacity, 344,000 acre-it (by 1958 survey), at gage height, 4,192.0 ft (above which spillway
<br />gates open automatically). Datum of gage is 43.3 ft above mean sea level, datum of 1929. 100,000 acre-ft
<br />of storage reserved for flood control. Records furnished by Bureau of Reclamation.
<br />
<br /> Month-end gage height in feet and contents in acre-feet
<br /> Date Gaire height Contents Change in contents
<br />December 31, 1963 . . . . . . . . . . .. . 4,137.14 31,740 -
<br />January 31, 1964 ... ... . ........ 4,137.60 33,050 +1,310
<br />February 29 .................. 4,138.00 34,190 +1,140
<br />March 31 ..................... 4,132.39 19,770 -14,420
<br />April 30 ...................... 4,137.13 31,710 +11,940
<br />May 31 ....................... 4,137.72 33,390 +1,680
<br />June 30 . . . . . . . . . . . . . . . . . . ..... 4,127.95 10,980 -22,410
<br />July 31 ....................... 4,128.54 12,000 +1,020
<br />August 31 . ... ... . ... ...... .... 4,123.66 5,100 -6,900
<br />September SO. . . .. . . . . . . . .. . . . . 4, 125.48 7,310 +2,210
<br />October 31 . . . . . . . . . . . " . . . . . . . 4,126.39 8,570 +1,260
<br />November 30 .. .... '" ... ... ... 4,127.12 9,650 +1,080
<br />December 31 . . . . . . . . . . . . . . . . . . 4,128.00 11,060 +1,410
<br />:::'alendar year 1964 ............ - - -20,680
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<br />?roject Storage.--This is the combined storage in Elephant Butte and Caballo Reservoirs. Total Project Storage
<br />capacity is 2,439,000 acre-ft which excludes the 100,000 acre-it reserved for flood control in Caballo Reservoir.
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<br /> ant - end gage eignr. n feet and contents in acre-feet
<br /> Date Ga"e hei"ht Contents Change in contents
<br />..ecember 31, 1963 . . .. . . . . .. . . . - 143,700 -
<br />anuary 31, 1964 . . . . . . . . . . . . . . - 167,600 +23,900
<br />ebruary 29 .................. - 194,800 +27,200
<br />[arch 31 ..................... - 173,100 -21,700
<br />pril 30 ...................... - 151,400 -21,700
<br />ay 31 ....................... - 168,800 +17,400
<br />Ine 30 '" ..... .... ... . ..... .. - 137,900 -30,900
<br />L1y 31 ....................... - 106,500 -31,400
<br />19ust 31 . ..... .... ... ........ - 68,400 -38,100
<br />'ptember 30. . . . . . . . . . . . . . . . . . - 55,910 -12,490
<br />~tober 31 . . . .. . .. . . . . . . . . . . . . - 58,670 +2,760
<br />)vember 30 . . . . . . . . . . . . . . . . . . - 74,350 +15,680
<br />!cember 31 ... .... '" ........ - 98,360 +24,010
<br />.1endar year 1964 ............ - - -45,340
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