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Securing Arizona's Water Future
Cultural Water Demand in the San Simon Wash 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 7.8-7.  Effluent generation including facility ownership, location, population served and not served, volume treated, disposal method and treatment level is shown in Table 7.8-8Figure 7.8-8 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 demands is found in Section 7.0.7.

Cultural Water Demands

  • Refer to Table 7.8-7 and Figure 7.8-8
  • Population in this basin increased from 4,852 in 1980 to 5,837 in 2000.
  • Most cultural water demand is for irrigation south of Pisinemo.
  • Agricultural groundwater demand remained relatively constant from 1991 to 2005.
  • Municipal groundwater demand is about 1,000 AFA between 1991 and 2005.
  • There are no surface water diversions in this basin.
  • As of 2005 there were seven registered wells with a pumping capacity of less than or equal to 35 gpm and one well with a pumping capacity of more than 35 gpm. 
  • Tribes are not required to register wells with the Department; therefore, Table 7.8-7 does not reflect all of the wells in the basin.

Effluent Generation

  • Refer to Table 7.8-8.
  • There are two wastewater treatment facilities in this basin.
  • These facilities serve over 4,600 people and generate over 420 acre-feet of effluent per year.
  • Both facilities discharge to evaporation ponds.

Click here for Table 7.8-7

Table 7.8-7 Cultural Water Demand in the San Simon Wash Basin

Click here for Table 7.8-8

Table 7.8-8 Effluent Generation in the San Simon Wash Basin

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Figure 7.8-8 San Simon Wash Basin Cultural Water Demand

 

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