Arizona

Statistics
Year Fracing Began: 
1960(s)
Types of Wells Fraced: 
Oil
Number of Wells Fraced Annually: 
0 (currently)
Number of Wells Fraced Total: 
50-75
Percentage of Wells Fraced: 
10%
Harm to Groundwater: 
None
(updated 8/25/2011)

Statistics are estimates provided by the states for the calendar year ending 12/31/2010