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Scientific Investigations Report 2012–5002


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Evaluation of Long-Term Water-Level Declines in Basalt Aquifers near Mosier, Oregon


Table 3. Summary of relative value of Artificial Recharge/Aquifer Storage and Recovery and commingling well repairs in the Mosier, Oregon, study area. 


[Zones are shown in figure 29. Results should be used for comparison only. Value of AR/ASR: The difference between Repairs and Repairs plus AR/ASR columns. Abbreviations: AR, artificial recharge; ASR, aquifer storage and recovery]


Repair scenario Percent recovery  
Repairs
only 		Repairs
plus
AR/ASR 		Value of
AR/ASR 		Number
of wells
repaired
All repaired 85.2 Not computed Not computed 146
Zones 1, 2, and 3 54.2 63.1 8.9 82
Zones 1 and 2 23.1 30.4 7.3 50
Zone 1 11.1 17.2 6.1 25
No repairs 0 5.9 5.9 0

First posted March 1, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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