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<br />00143'1
<br />Summary of Water Resources in Mexico
<br />
<br />.
<br />
<br />Sources of Colorado River Water Crossin!! International Boundarv into Mexico
<br />. U.S. Deliveries at Northern International Boundary (NIB)
<br />
<br />. U.S. Deliveries in the Limitrophe Division from II-mile and 21-mile wasteways
<br />
<br />. U.S. Deliveries at the Southern International Boundary (SIB)
<br />
<br />. Underflow of groundwater crossing the Limitrophe Division from application of water within
<br />the boundaries of the Yuma County Water Users Association and West Cocopah Indian
<br />Reservation
<br />
<br />. Underflow of groundwater crossing at the SIB from the application of water on the Yuma
<br />Mesa in Arizona
<br />
<br />. Underflow of groundwater to Mexico from seepage from the All American Canal (AAC)
<br />
<br />. Irrigation drainage water from the Wellton-Mohawk Irrigation and Drainage District
<br />(WMIDD) bypass drain to the Cienega de Santa Clara
<br />
<br /> U.S. Deliveries at Groundwater Underflow12
<br /> U.S. Limitrophe/1 U.S. WMIDD
<br />Year Delivery Delivery Across Across From AAe Bypass
<br /> at NIB/1 11-Mile 21-Mile at SIB/1 Drain/s
<br /> Wasteway Wasteway Limitrophe/3 SIB/3 Seepage/4
<br />1990 1,406,900 1,250 30 132,600 23,300 65,600 50,000 133,700
<br />1991 1,384,800 1,350 0 133,500 23,300 65,600 50,000 140,700
<br />1992 1,451,700 2,160 0 125,200 23,300 65,600 50,000 101,100
<br />1993 5,075,000 2,050 260 113,400 23,300 65,600 50,000 61 ,400
<br />1994 1 ,397,800 900 80 124,700 23,300 65,600 50,000 124,400
<br />1995 1 ,593,600 770 60 116,400 21,000 67,000 50,000 125,500
<br />1996 1,386,800 570 390 116,000 20,000 62,000 50,000 112,400
<br />1997 2,755,500 1,760 970 112,400 20,000 62,000 50,000 89,200
<br />1998 4,586,500 4,720 2,080 122,700 21,100 65,300 50,000 113,800
<br />1999 2,759,300 4,780 1,780 126,900 33,800 62,400 50,000 78,700
<br />2000 1,898,600 6,470 8,970 127,300 24,100 75,000 50,000 107,400
<br />2001 1,566,300 13,610 2,590 117,400 NR NR NR 103,700
<br />
<br />NR - Not Reported
<br />/1 Data from IBWC (http://www.ibwc.state.gov/wad/colorado_river.htm)
<br />/2 Data for limitrophe and SIB from USBR LCRAS reports
<br />/3 Years 1990 - 1994 estimated as average of years 1995 - 2000
<br />/4 Estimated as 75% of total seepage from AAC between Pilot Knob and Drop 3 (67,700 af/yr)
<br />/5 USBR Decree Accounting Records
<br />
<br />SNW A Resources 4/24/02
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