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<br />c <br /> <br />.., 0 '":::,:"0,;,"-'>- -.,,".>;i;~,,",.i;',,';: , <br /> <br />I," <br /> <br />t- <br />L.') <br />li"') <br />(-;. <br />C-, <br /> <br />RULES AND REGULATIONS <br /> <br />21 <br /> <br />(b) Excess releases from Elephant Butte Reservoir, as <br />defined in (a) above, shall be added to the quantity of <br />water actually in storage in that reservoir, and Actual <br />Spill shall be deemed to have commenced when this sum <br />equals the total physical capacity of that reservoir, to <br />the level of the uncontrolled spillway, i.e.-2,219,000 acre- <br />ft in 1942. <br /> <br />(c) All water actually spilled at Elephant Butte <br />Reservoir, or released therefrom, in excess of Project <br />requirements, which is currently passed throughCaballo <br />Reservoir, after the time of spill, shall be considered as <br />Actual Spill, provided that the total quantity of water <br />then in storage in Elephant Butte Reservoir exceeds the <br />physical capacity of that reservoir at the level of the sill <br />of the spillway gates, i.e.-l,830,000 acre~ftin 1942. <br /> <br />(d) Water released from Caballo Reservoir in excess <br />of Project requirements and in excess of water currently <br />released from Elephant Butte Reservoir, shall be deemed <br />Usable Water released, excepting only flood water entering <br />Caballo Reservoir from tributaries below Elephant Butte <br />Reservoir. <br /> <br />DEP ARTURES FROM NORMAL RELEASES Q. <br /> <br />For the purpose of computing the time of Hypothetical <br />Spill required by Article VI and for the purpose of the <br />adjustment set forth in Article VII, no allowance shall <br />be made for the difference between Actual and Hypothetical <br />Evaporation, and any under-release of usable water from <br />Project Storage in excess of 150,000 acre-ft in any year <br />shall be taken as equal to that amount. <br /> <br />EVAPORATION LOSSES [1, ~, L2. <br /> <br />The Commission shall encourage the equipping, main- <br />tenance and operation, in cooperation with the U.S. Weather <br />Bureau or other appropriate agency, of evaporation stations <br />at Elephant Butte Reservoir and at or near each major <br />reservoir in the Rio Grande Basin within Colorado construc- <br />ted after 1937 and in New Mexico constructed after 1929. <br />The net loss by evaporation from a reservoir surface shall <br />be taken as the difference between the actual evaporation <br />loss and the evapo-transpiration losses which would have <br />Occurred naturally, prior to the construction of such <br />reservoir. Changes in evapo-transpiration losses along <br />stream Channels below reservoirs may be disregarded. <br /> <br />3 Adopted June 2, 1959; made effective January 1, 1952. <br />~ 45 AmAmeennddeedd at Tenth Annual Meeting, February 15, 1949, <br />at Twelfth Annual Meeting, February 24, 1951. <br />6 Amended ,Tllnp 9 10<;0 <br /> <br /> <br />i: <br /> <br />~~~%~ti~~~ <br />v>'''lf*'''''?,.ll.,~'" <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />l~ o~ <br />ft~1~'~~ ..o:',~,;-; <br />~~j~~ ~~'f~~ <br />,~",,'3)"';-:- ~.~. <br />~~"!:':;~~~:,.)__'" ",:,~ '>_'t.~~: <br />r:...t,";~f"',):$<~*:~,~~~ <br />.l1 <br /> <br />Ek <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />,,,'~"';>',,,,,'1'. <br />~~;~rl:~"'\O)..~." -:Z..j; <br />~-t'..".~--_~!.-"_~" ~"?i <br /> <br /> <br /> <br /> <br /> <br />