30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project Southwest NM Water Needs 4 30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project Deming Area Water Budget CREDITS Traditional Irrigation on 3,600 acres @ 50% efficiency = 5,400 AF/Y return flow Drip on 20,400 acres @ 3 AF/Y with 95% efficiency = 1,020 AF/Y return flow Municipal = 500 AF/Y effluent reuse Mimbres basin natural recharge = 31,100 AF/Y TOTAL CREDITS INCLUDING ALL MIMBRES RECHARGE: +38,020 AF/Y 5 30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project Deming Area Water Budget DEBITS Agricultural: 24,0001 acres irrigated Pumping @ 3 AF/Y2 = 72,000 AF/Y Deming Municipal Use = 2,850 AF/Y TOTAL DEBITS = 74,850 AF/Y WATER BALANCE: 38,020 acre-feet/year credits -74,850 acre-feet/year debits -36,830 AF/Y DEFICIT 1 – Estimates range to 35,000 acres. 2 – 3 AF/A legal limit. Could underestimate actual pumping. 6 30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project Gila Valley Water Needs VIRDEN VALLEY AREA: • Lost in AWSA: 400 acres @ 3 AF/A/Y = 1,200 AF/Y • Land not irrigated: 300 acres @ 3 AF/A/Y = 900 AF/Y • Annual pumping: 7,006 AF/Y VIRDEN TOTAL: 9,100 AF/Y1 CLIFF-GILA AREA: • 4,412 fallow acres @ 1.61 AF/A/Y = 7,104 AF/Y1 REDROCK AREA: • 1,059 fallow acres @ 1.7 AF/A/Y = 1,801 AF/Y1 GILA VALLEY TOTAL: 18,005 1 – District Engineer tabulation 7 30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project SAN FRANCISCO BASIN WATER NEEDS Fallowed Lands: • Apache Creek-Aragon 139.4 acres @ 1.34 AF/A/Y = 186.8 F/Y1 • Glenwood-Mule Creek 242.7 acres @1.83 AF/A/Y = 444.1 F/Y1 • Luna area 492.9 acres @ 0.82 AF/A/Y = 404.2 AF/Y1 • Reserve Area 145.9 acres @ 1.33 AF/A/Y = 194 AF/Y1 Mining: 2,000 AF/Y2 Future Development/Recreation Facilities3: 4,000 AF/Y3 1 – District Engineer tabulation 2 – Estimated potential future demand for reopened mine 3 – If sole use of San Francisco full 4,000 AF/year AWSA as evaporation and/or future development 8 30-Percent Engineering Design Services for the New Mexico Unit of Central Arizona Project DEMAND FOR ADDITIONAL WATER IN SW NM? • Agriculture – 30,000 AF to 50,000 AF?1 • Municipalities – 2,500 AF to 14,000 AF? • The environment – 500 AF to 1,500 AF? • Biofuels – 10,000 AF to 30,000 AF? • Industries – 500 AF to 50,000 AF? TOTAL : 45 KAF – 160 KAF? 9