Quote:
Originally Posted by Targan
How deep do you have to go in southern Arizona before you hit the water table? Is drilling deep wells a practical option or is the water just too deep/non-existant?
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It depends on the exact location but wells are a practical option, for some water needs. My house is one of five on a well which, coincidently, was on the fritz this afternoon (must have been the pump again). I had to drive the family into town to shower at the folks' house. Anyway, there are so many wells pumping so much water out of the ground here that the few rivers that used to run year round here all dried up decades ago. There's only a couple left now and they barely qualify as streams. The water table has dropped dramatically over the past century. "Recharge" programs pump water back into the ground but never enough to replace what's pumped out. Perhaps, in a T2K scenario where 2/3 of the greater Tucson area population have died or been driven off, the aquifers will have time to recover somewhat.
At the moment, much of Tucson's water is imported via the Central Arizona Project canal. It's by far the biggest "river" here.