How Arizona, California and other states are trying to generate a whole new water supply
Underground storage may be a key for Western states navigating water shortages and extreme weather. Aquifers under the ground have served as a reliable source of water for years. During rainy years, the aquifers would fill up naturally, helping areas get by in the dry years. … But growing demand for water coupled with climate change has resulted in shortages as states pump out water from aquifers faster than they can be replenished…. Municipalities and researchers across the country are working on ways to more efficiently replenish emptied-out aquifers… In California — where 85 percent of the population relies on groundwater for some portion of their supply — more than 340 recharge projects have already been proposed.
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