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<br />RULES AND REGULATIONS
<br />RESERVOIR CAPACITIES L1
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<br />Colorado shall file with the Commission a table of areas and capacities for each
<br />reservoir in the Rio Grande Basin above Lobatos constructed after 1937; New Mexico shall
<br />file with the Commission a table of areas and capacities for each reservoir in the Rio Grande
<br />Basin between Lobatos and San Marcial constructed after 1929; and Texas shall file with the
<br />Commission tables of areas and capacities for Elephant Bulte Reservoir and for all other
<br />reservoirs actually available for the storage of water between Elephant Bulte and the first
<br />diversion to lands under the Rio Grande Project.
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<br />Whenever it shall appear that any table of areas and capacities is in error by more
<br />than five per cent, the Commission shall use its best efforts to have a re-survey made and a
<br />corrected table of areas and capacities to be substituted as soon as practicable. To the end
<br />that the Elephant Bulte effeetive supply may be computed accurately, the Commission shall
<br />use its best efforts to have the rate of aceumulation and the place of deposition of silt in Ele-
<br />phant Butte Reservoir checked at least every three years.
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<br />ACTUAL SPiLL 12.
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<br />(a) Water released from Elephant Bulte in excess of Project requirements, which
<br />is currently passed through Caballo Reservoir, prior to the time of spill, shall be deemed to
<br />have been Usable Water released in anticipation of spill, or Credit Water if such release
<br />shall have been authorized,
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<br />(b) Excess releases from Elephant Bulte Reservoir, as defined in (a) above, shall
<br />be added to the quantity of water actually in storage in that reservoir, and Actual Spill shall
<br />be deemed to have commeneed when this sum equals the total physical eapacity of that res-
<br />ervoir, to the level of the uneontrolled spillway, i.e. -2,219,000 acre-ft in 1942,
<br />
<br />(c) All water actually spilled at Elephant Butte Reservoir, or released therefrom, in
<br />excess of Project requirements, which is currently passed through Caballo Reservoir, after
<br />the time of spill, shall be considered as Actual Spill, provided that the total quantity of water
<br />then in storage in Elephant Bulte Reservoir exceeds the physical capacity of that reservoir
<br />at the level of the sill of the spillway gates, i.e. -1,830,000 acre-ft in 1942,
<br />
<br />(d) Water released from Caballo Reservoir in excess of Project requirements and
<br />in excess of water currently released from Elephant Bulte Reservoir, shall be deemed
<br />Usable Water released, excepting only flood water entering Caballo Reservoir from tributar-
<br />ies below Elephant Bulte Reservoir,
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<br />DEPARTURES FROM NORMAL RELEASES Q.
<br />
<br />For the purpose of computing the time of Hypothetical Spill required by Article VI
<br />and for the purpose of the adjustment set forth in Article VII, no allowance shall be made for
<br />the difference between Actual and Hypothetieal Evaporation, and any under-release of
<br />usable water from Project Storage in excess of 150,000 acre-ft in any year shall be taken as
<br />equal to that amount.
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<br />L1 Amended at Eleventh Annual Meeting, February 23, 1950.
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<br />12. Adopted at Fourth Annual Meeting, February 24, 1943.
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<br />, Q. Adopted June 2, 1959; made effective January 1, 1952,
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<br />16 ii,"'#""K"",., I
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