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<br />15 <br /> <br />RIO GRANDE COMPACT COMMISSION REPORT <br /> <br />RULES AND REGULATIONS FOR ADMINISTRATION OF <br />THE RIO GRANDE COMPACT <br /> <br />A Compact, known as the Rio Grande Compact, between the States of Colorado, New <br />Mexico and Texas, having become effective on May 31, 1939 by consent of the Congress of the <br />United States, which equitably apportions the waters of the Rio Grande above Fort Quitman and <br />permits each State to develop its water resources at will, subject only to its obligations to deliver <br />water in accordance with the schedules set forth in the Compact, the following Rules and <br />Regulations have been adopted for its administration by the Rio Grande Compact Commission; to be <br />and remain in force and effect only so long as the same may be satisfactory to each and all <br />members of the Commission, and provided always that on the objection of any member of the <br />Commission, in writing, to the remaining two members of the Commission after a period of sixty days <br />from the date of such objection, the sentence, paragraph or any portion or all of these rules to which <br />any such objection shall be made, shall stand abrogated and shall thereafter have no further force <br />and effect; it being the intent and purpose of the Commission to permit these rules to obtain and be <br />effective only so long as the same may be satisfactory to each and all of the Commissioners. <br /> <br />GAGING STATIONS 11 <br /> <br />Responsibility for the equipping, maintenance and operation of the stream gaging stations <br />and reservoir gaging stations required by the provisions of Article " of the Compact shall be divided <br />among the signatory States as follows: <br /> <br />(a) Gaging stations on streams and reservoirs in the ,Rio Grande Basin above the <br />Colorado-New Mexico boundary shall be equipped, maintained, and operated by Colorado in <br />cooperation with the U.S. Geological Survey. <br /> <br />(b) Gaging stations on streams and reservoirs in the Rio Grande Basin below Lobatos <br />and above Caballo Reservoir shall be equipped, maintained and operated by New Mexico in <br />cooperation with the U.S. Geological Survey to the extent that such stations are not maintained and <br />operated by some other Federal agency. <br /> <br />(c) Gaging stations on Elephant Butte Reservoir and on Caballo Reservoir, and the <br />stream gaging stations on the Rio Grande below those reservoirs shall be equipped, maintained and <br />operated by or on behalf of Texas through the agency of the U.S. Bureau of Reclamation. <br /> <br />The equipment, method and frequency of measurements at each gaging station shall be <br />sufficient to obtain records at least equal in accuracy to those classified as "good" by the U.S. <br />Geological Survey. Water-stage recorders on the reservoirs specifically named in Article " of the <br />Compact sheil have sufficient range below maximum reservoir level to record major fluctuations in <br />storage. Staff gages may be used to determine fluctuations below the range of the water-stage <br />recorders on these and other large reservoirs, and staff gages may be used upon approval of the <br />Commission in lieu of water-stage recorders on small reservoirs, provided that the frequency of <br />observation is sufficient in each case to establish any material changes in water levels in such <br />reservoirs. <br /> <br />11 Amended at Eleventh Annual Meeting, February 23, 1950. <br />