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<br />RIO GRANDE COMPACT COMMISSION REPORT
<br />
<br />Reservoirs in Rio Grande Basin in New Mexico
<br />(Constructed or enlarged since 1929)
<br />
<br />Vado Reservoir. --Water-stage recorder and surface follower, lat 36035 I 39", long 106044 I 001( ,
<br />on Rio Chama. Storage began in January 1935. Capacity) 196,500 acre-feet at gage height
<br />6,902.0 feet (crest of spillway), as determined by survey in 1966. Datum of gage is 8.21
<br />ft above mean sea level, datum of 1929.
<br />
<br /> ~1onth-end uaO'e helO'ht 1n feet and contents in acre-feet
<br />Date Gage height Contents Change in contents
<br />December 31, 1971 6,775,4 1.130 -
<br />January 31, 1972 6,775.3 1,110 -20
<br />February 29 6,776.8 1,370 +260
<br />March 31 6,776.8 1,370 0
<br />April 30 6,795.8 9,700 +8.330
<br />May 31 6,797.7 10,840 +1.140
<br />June 30 6,794.1 8,720 -2,120
<br />July 31 6,789.7 6,360 -2)360
<br />August 31 6,785.1 4)150 -2,210
<br />September 30 6,784.9 4.060 -90
<br />October 31 6,785.0 ~)100 +40
<br />November 30 6,785,1 ~.150 +50
<br />December ~1 6 812.3 21 710 +17 560
<br />Calendar year 1972 - - +20,580
<br />
<br />Abiquiu Reservoir.--Water-stage recorder in SW\ sec. 8, T. 23 N.. R. 5 E.. on Rio Chama.
<br />Completed in February 1963; capacity. 1,216,000 acre-feet at elevation of 6,350 ft (crest
<br />of spillway). Reservoir is operated by Corps of Engineers for flood control and sedireent
<br />storage.
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<br /> on -en e eva on n ee an con en s n acre- ee
<br /> Date Elevation Contents Change in contents
<br />December 31, 1971 6,109,15 2)0~O -
<br />January 31, 1972 6,109.00 2)010 -30
<br />February 29 6,109.21 2) 050 +40
<br />March 31 6,108.70 1,950 -100
<br />April 30 6,109.07 2.020 +70
<br />Nay 31 6,109.50 2,100 +80
<br />June 30 6,108.76 1)960 -140
<br />July 31 6,107,70 1,790 -170
<br />August 31 6,108.54 1,930 +140
<br />September 30 6,113.75 3,160 +1,230
<br />October 31 6,109.31 2)070 -1,090
<br />November 30 6,109.38 2:~~0 +10
<br />December 31 6 108.74 1 60 -120
<br />Calendar year 1972 - - -80
<br />
<br />McClure (Granite Point) Reservoir.--Water-stage recorder in NE~SW\ sec. 24, T. 17 N.. R. 10 E.,
<br />on Santa Fe River. Original reservoir, capacity, 561 acre-ft, completed in 1926 and not
<br />subject to terms of Rio Grande Compact; in 1935, permanent flash boards were installed in
<br />spillway increasing capacity to 650 acre-ft; in 1947 both dam and spillway were raised
<br />increasing capacity to 2,615 acre-ft (gage height. 96.6 ft, crest of spillway). From 1953
<br />to 1972 spillway was equipped with radial gates that opened automatically, increasing
<br />capacity to over 3,000 acre-ft.
<br />
<br /> Month-end galZe heill:ht in feet and contents in acre-feet
<br /> Date Gage height Contents Change in contents
<br />December 31, 1971 65.0 846 -
<br />January 31, 1972 70.4 1,070 +224
<br />February 29 72.2 1,150 +80
<br />March 31 78.2 1,450 +300
<br />April 30 77 .3 1,400 -50
<br />May 31 74.4 1,260 -140
<br />June 30 68.9 1,010 -250
<br />July 31 56.4 559 -451
<br />August 31 52.7 q58 -101
<br />September 30 50.9 415 -43
<br />October 31 59.5 652 +237
<br />November 30 69.4 1,030 +378
<br />December 31 71. 0 1 100 +70
<br />Calendar year 1972 - - +254
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