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<br />
<br />The u.s. Bureau of Reclamation has completed 21 of the allowed 35
<br />wells on the united states side within eight kilometers (five
<br />miles) of the Arizona-Sonora boundary near San Luis for protective
<br />and regulatory pumping, and 15 of the 21 wells were pumped in 1992.
<br />The remaining 14 allowed wells have been deferred until water
<br />supply needs make construction necessary.
<br />
<br />The United States pumped from domestic, municipal, and irrigation
<br />wells located within eight kilometers (five miles) of the boundary
<br />near San Luis the following quantities:
<br />
<br />Year
<br />1975
<br />1976
<br />1977
<br />*1978
<br />1979
<br />1980
<br />1981
<br />1982
<br />1983
<br />1984
<br />1985
<br />1986
<br />1987
<br />1988
<br />1989
<br />1990
<br />1991
<br />1992
<br />
<br />TOT
<br />Thousand
<br />Cubic Meters
<br />33,041
<br />28,047
<br />28,358
<br />22,079
<br />31,353
<br />35,188
<br />47,443
<br />50,516
<br />20,608
<br />19,078
<br />16,818
<br />32,497
<br />33,213
<br />29,512
<br />63,020
<br />71,721
<br />53,000
<br />38,696
<br />
<br />A L
<br />
<br />Acre-Feet
<br />26,787
<br />22,738
<br />22,990
<br />17,900
<br />25,418
<br />28,527
<br />38,463
<br />40,954
<br />16,707
<br />15,467
<br />13,635
<br />26,346
<br />26,926
<br />23,926
<br />51,091
<br />58,145
<br />42,968
<br />31,371
<br />
<br />MINUTE NO. 242 WELL FIELD
<br />Thousand
<br />Cubic Meters Acre-Feet
<br />
<br />201
<br />2,244
<br />23,394
<br />29,068
<br />4,856
<br />3,721
<br />2,531
<br />3,367
<br />4,215
<br />3,073
<br />35,430
<br />38,050
<br />38,461
<br />28,319
<br />
<br />163
<br />1,819
<br />18,966
<br />23,566
<br />3,937
<br />3,017
<br />2,052
<br />2,730
<br />3,417
<br />2,491
<br />28,724
<br />30,848
<br />31,181
<br />22,958
<br />
<br />The Commission is continuing, under Minute No. 242, its program for
<br />exchange of ground-water data for the major ground-water basins
<br />lying partly in the united States and partly in Mexico including
<br />the Colorado River delta area. The objective of the exchange is to
<br />make available hydrologic, geOlogic and water quality data in
<br />either country, to both Sections of the Commission to enable evalu-
<br />ation of international ground-water basins conditions.
<br />
<br />New Developments in Region
<br />
<br />Point 6 of Minute No. 242 provides that:
<br />
<br />"...The United States and Mexico shall consult with
<br />each other prior to undertaking any new developments
<br />of either the surface or the groundwater resources,
<br />or undertaking substantial modifications of present
<br />developments, in its territory in the border area
<br />that might adversely affect the other country."
<br />
<br />* Minute No. 242 Field was constructed in 1978
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