9416

• UCREFRP Catalog Number: 9416
• Author: U.S. Department of the Interior.
• Title: Annual Operating Plan for Colorado River Reservoirs 1997.
• USFW Year: 1997.
• USFW - Doc Type: Washington, D.C.
• Copyright Material: NO

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1944 Mexican Water Treaty

Pursuant to the 1944 Mexican Water Treaty it has been determined that under most probable
inflow conditions, water in excess of that required to supply uses in the United States will not
be available. Vacant storage space in mainstem reservoirs is substantially greater than that
required by flood control regulations. Therefore. a volume of 1.850 MCM (1.5 MAP) of
water will be scheduled for deliveIy to Mexico during calendar year 1997 in accordance with
Article 15 of the 1944 Mexican Water Treaty and Minute No. 242 of the International
Bound8I)' and Water Commission. Minute No. 242 provides that the United States may
deliver up to 173 MCM (.140 MAP) of water across the land boundary at San Luis, Sonora,
and in the 1imitrophe section of the Colorado River downstream of Morelos Dam, in partial
satisfaction of the 1944 Mexican Water Treaty. Calendar year schedules of monthly
deliveries of Colorado River water are fonnulated by the Mexican Section of the mwc and
presented to the United States Section before the beginning of each calendar year.
Additional scheduled deliveries to Mexico can be made only if there exists Colorado River
water in excess of that necessary to satisfy the requirements in the United States and the
guaranteed quantity of 1,850 MCM (1.500 MAP) annually to Mexico.

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