Office Of Conservation and Sustainable Development 149 North
Stone, 2nd Floor Tucson, AZ 85701 P.O. Box 27210 Tucson, AZ
85726 There are many issues related to water resources facing
our region. Global warming will affect our climate and our water
needs. Increased demand for electricity in a warming climate
increases water demand for both electric power plant cooling and
for irrigation to landscaping that will become increasingly
stressed as temperatures rise. Increasing growth projections
raise concerns over water availability as we enter another year
of drought. What is the situation… Tucson residents utilize
water from 3 primary sources: groundwater, Colorado River (CAP)
water, and effluent (treated wastewater). The groundwater comes
from an aquifer that lies beneath the city. The aquifer is a
porous layer of sand, gravel, silt and clay that exists at
various depths beneath the ground. Water in the aquifer
collected there over thousands of years from rain and snowmelt
runoff draining from the watershed and