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Cultural Water Demand in the Morenci Basin

Cultural water demand data including population, number of wells and the average well pumpage and surface water diversions by the municipal, industrial and agricultural sectors are shown in Table 3.9-8.  Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown on Table 3.9-9.  Figure 3.9-11 shows the location of demand centers.  A description of cultural water demand data sources and methods is found in Volume 1, Appendix A.  More detailed information on cultural water demand is found in Section 3.0.7. For information on gpcd and annual water demand by individual community water systems in this basin see ADWR's Community Water System Program annual water use reporting summary.

 

Cultural Water Demand

  • Population decreased from 1980 to 2000.

  • Total groundwater use has increased from 1991 to 2005 with an average of 9,600 AFA in the period from 2001-2005.

  • Pre-1991 surface-water diversions are not available for this basin however, surface water diversions have decreased from 1991 to 2005 with 1,700 AFA in the period from 2001 – 2005.   All surface-water diversions between 1991 and 2005 were for municipal and industrial uses

  • Almost all municipal and industrial demand is in the vicinity of Clifton and Morenci, including the Morenci and Clifton area is the active Morenci Mine.

  • There is no agricultural demand reported in this basin.

  • As of 2005, there were 505 registered wells with a pumping capacity of less than or equal to 35 gpm and 145 wells with a pumping capacity of more than 35 gpm.

Effluent Generation

  • Refer to Table 3.9-9.
  • There are three wastewater treatment facilities in the basin. 

  • Two of these facilities serve communities, effluent at the third facility is generated by the copper mining process and used for industrial purposes.

  • Over 3,500 people are served by the two municipal facilities.

  • 186 acre-feet of effluent per year is generated by municipal facilities in this basin and discharged into either an evaporation pond or a watercourse.

Click to view Table 3.9-8

Click to view Table 3.9-8 Cultural Water Demand

in the Morenci Basin

Click to view Table 3.9-9

Click to view Table 3.9-9 Effluent Generation

in the Morenci Basin

Click to view Figure 3.9-11

Click to view Figure 3.9-11 Morenci Basin

Cultural Water Demand

 

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