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<br />15
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<br />RIO GRANDE COMPACT COMMISSION REPORT
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<br />RULES AND REGULATIONS FOR ADMINISTRATION OF
<br />THE RIO GRANDE COMPACT
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<br />A Compact, known as the Rio Grande Compact, between the States of Colorado,
<br />New Mexico and Texas, having become effective on May 31, 1939 by consent of the Con-
<br />gress of the United States,which equitably apportions the waters of the Rio Grande above
<br />Fort Qullman and permits each State to develop its water resources at will, subjecl only to
<br />Its obligations to deliver water In accordance With the schedules set forth In the Compact.
<br />the folloWing Rules and Regulations have been adopted for Its administration by the, Rio
<br />Grande Compact Commission; to be and remain In force and effect only so long as the
<br />same may be satisfactory to each and all members of the Commission, and provided always
<br />that on the objection of any member of the Commission, In writing, to the remaining two
<br />members of the Commission after a period of sixty days from Ihe date of such obJection, the
<br />sentence, paragraph or any portion or all of these rules to which any such objection shall be
<br />made, shall stand abrogated and shall thereafter have no further force and effect; It being
<br />the Intent and purpose of the Commission to permit Ihese rules to obtain and be effective
<br />only so long as the same may be satisfaclory to each and all of the Commissioners.
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<br />GAGING STATIONS 11
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<br />Responsibility for Ihe equipping, maintenance and operation of the stream gaging
<br />stations and reservoir gaging stations required by the provisions of Article II of the Compact
<br />shall be divided among the signatory States as follows:
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<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
<br />In cooperation with the U.S. Geological Survey.
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<br />(b) Gaging stations on streams and reservoirs In the Rio Grande Basin below
<br />Lobatos and above Caballo Reservoir shall be equipped, maintained and operated by New
<br />Mexico In cooperation With the U.S. Geological Survey to the extent that such stallons are
<br />nol maintained and operated by some olher Federal agency.
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<br />(c) Gaging stations on Elephant Butte Reservoir and on Caballo Reservoir, and
<br />the stream gaging stations on the Rio Grande below those reservoirs shall be equipped,
<br />maintained and operated by or on behalf of Texas through the agency of the U.S. Bureau of
<br />Reclamation.
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<br />The equipment, method and frequency of measuremenls at each gaging station
<br />shall be sufficient to obtain records at least equal in accuracy to those classified as "good"
<br />by the U.S. Geological Survey. Water-stage recorders on the reservoirs specifically named
<br />In ArtIcle II of the Compacl shall have sufficient range below maximum reservoir level to
<br />record major fluclUatlons In storage. Staff gages may be used to determine fluctuations
<br />below the range of the water-stage recorders on these and other large reservoirs. and staff
<br />gages may be used upon approval of the Commission In lieu of water-stage recorders on
<br />small reservoirs, provided that Ihe frequency of observallon Is sufficient In each case to
<br />, establish any material changes In water levels In such reservoirs.
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<br />11 Amended at Eleventh Annual Meeting, February 23.1950.
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