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<br />000803 <br /> <br />AUTHORITY: (identify existing or new) <br />COST: <br />FUNDING SOURCE: <br />ENVIRONMENTAL DOCUMENT: (categorical exclusionlEIS/other) <br />ENVIRONMENTAL OR ESA ISSUES: <br />NEED FOR RULES AND REGULATIONS: <br /> <br />· Enfor~e 1944 Mexican Water Treaty with respect to delivery of water under <br />shortage conditions. The Department of the Interior, Department of State, <br />International Boundary and Water Commission- United States Section, and Basin <br />States should review Treaty provisions for Mexico sharing in shortage and the <br />means/process by which such shortages would be implemented. Interior and <br />Department of State, mWC-United States Section should also enter into initial <br />discussions with Mexico concerning the need for Colorado River drought <br />management. <br /> <br />AUTHORITY: (identify existing or new) <br />COST: <br />FUNDING SOURCE: <br />ENVIRONMENTAL DOCUMENT: (categorical exclusionlEIS/other) <br />ENVIRONMENTAL OR ESA ISSUES: <br />NEED FOR RULES AND REGULATIONS: <br /> <br />· Explore with Mexico the potential temporary relaxation of the salinity <br />differential requirement with an alternative cap on the salinity level of <br />Treaty deliveries to help preserve reservoir storage and avoid shortages. The <br />current salinity of Treaty deliveries to Mexico is better than historic deliveries and <br />the temporary use of a salinity cap in conjunction with the increased use of <br />groundwater and drainage water would help preserve storage and avoid or reduce <br />shortages. <br /> <br />AUTHORITY: (identify existing or new) <br />COST: <br />FUNDING SOURCE: <br />ENVIRONMENTAL DOCUMENT: (categorical exc1usionlEIS/other) <br />ENVIRONMENTAL OR ESA ISSUES: <br />NEED FOR RULES AND REGULATIONS: <br /> <br />1,/'. Explore potential cooperative water use forbearances with Mexico. Mexico <br />may be interested in voluntary water use forbearances that would help preserve <br />Colorado River reservoir system storage as a means of preventing or reducing the <br />magnitude of potential future shortages in Mexico. Water would be saved by <br />intentionally creating unused entitlements. Mexico could also make intentionally <br />created entitlement water available for purchase by others in the United States to <br />help finance Mexico's water infrastructure needs. Such forbearances could <br />include the fallowing of irrigated agricultural land in Mexico. <br /> <br />-7- <br />