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Securing Arizona's Water Future
Water Quality in the San Simon Wash Basin

Wells, springs and mine sites with parameter concentrations that have equaled or exceeded drinking water standard(s), including location and parameter(s) are shown in Table 7.8-6A.  There are no impaired lakes or streams in this basin. Figure 7.8-7 shows the location of water quality occurrences keyed to Table 7.8-6.  A description of water quality data sources and methods is found in Volume 1, Appendix A.  Not all parameters were measured at all sites; selective sampling for particular constituents is common.

Well, Mine or Spring sites that have equaled or exceeded drinking water standards (DWS)

  • Refer to Table 7.8-6A.
  • Fifty-three wells have parameter concentrations that have equaled or exceeded drinking water standards.
  • The parameter for arsenic was equaled or exceeded in eighty-one percent of the wells. 
  • Other parameters equaled or exceeded include chromium, fluoride, mercury, lead, nitrate and total dissolved solids.

Click here for Table 7.8-6

Table 7.8-6 Water Quality Exceedences in the San Simon Wash Basin

Click here for Figure 7.8-7

Figure 7.8-7 San Simon Basin Water Quality Conditions

 

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