San Simon Sub-Basin - Arizona Department of Environmental Quality

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Figure 5. Jason Mahalic samples an irrigation well powered by a turbine pump south of the town of San Simon. This shallow well taps the upper aquifer and supplies a healthy cotton crop despite the water’s “very high salinity” and “high sodium” irrigation classification. 35 Figure 6. Joe Harmon samples Wood Canyon windmill in the Pinaleno Mountains. Near an area of granite rock, water from the well exceeded health-based drinking water standards for gross alpha and uranium. 23 Figure 7. A vintage pump jack produces water for livestock use that is stored in a former underground storage tank. This 900 foot deep well is the most southerly (or up gradient) sample collected in the San Simon sub-basin. Groundwater from this well, like most pumping from the alluvial aquifer, meets all health-based water quality standards. 10
Figure 8. Groundwater from Butte Well empties into this storage tank for livestock use in the San Simon Valley. The appropriately named Orange Butte looms in the background. Figure 9. Cross J Windmill is located at the northern base of the Chiricahua Mountains. Across the valley, the Peloncillo Mountains can be seen which provides an idea of the vast expanse of the San Simon sub-basin. Figure 10. Located on the border with New Mexico, the San Simon Cienega was once a marsh. Although now dry, the presence of cottonwood trees indicates shallow groundwater is still present in the area. 11
Page 2 and 3: Ambient Groundwater Quality of the
Page 5 and 6: Table of Contents Abstract ........
Page 7 and 8: Tables Table 1. Well log of BLM Hot
Page 9: “One August night in the early 18
Page 12: INTRODUCTION Purpose and Scope The
Page 15 and 16: Figure 2. The San Simon sub-basin e
Page 17 and 18: thought. 44 An excellent example of
Page 22 and 23: Groundwater Movement, Storage and L
Page 24: Figure 11. A 1957 Buick is permanen
Page 29: Table 3. SS Sites Exceeding Aesthet
Page 32 and 33: Table 5. Summary Statistics for SS
Page 34: GROUNDWATER COMPOSITION Groundwater
Page 37 and 38: Table 6. Correlations Among Groundw
Page 39 and 40: Aquifer Constituent Co-variation Al
Page 41 and 42: Figure 16. TDS and Gross Alpha Conc
Page 43 and 44: Table 8. Summary Statistics (95% Co
Page 45 and 46: Table 10. Summary Statistics (95% C
Page 47 and 48: Table 12. Summary Statistics (95% C
Page 49 and 50: CONCLUSIONS Groundwater Suitability
Page 51 and 52: levels may be elevated to the exten
Page 53 and 54: REFERENCES 1 Arizona Department of
Page 55 and 56: Appendix A. Basic Data on Sample Si
Page 57 and 58: Appendix A. Basic Data on Sample Si
Page 59 and 60: Appendix B. Groundwater Quality Dat
Page 69 and 70:
Appendix B. Groundwater Quality Dat
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APPENDIX C. INVESTIGATION METHODS V
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Table 13. ADHS/Del Mar Laboratory M
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APPENDIX D. DATA EVALUATION Quality
Page 83 and 84:
The maximum difference between dupl
Page 85 and 86:
Table 16. Summary Results of 1997/2
Page 87:
Constituent Concentration Correlati
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San Simon Sub-Basin - Arizona Department of Environmental Quality

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