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Could the Great Lakes supply water to California?

How it could work: With 20% of the available surface fresh water in the world, the Great Lakes are essentially massive reservoirs that could quench the thirst of states like Arizona and California.



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The Great Lakes Compact is a 2008 federal agreement signed by the eight Great Lakes states and the two Canadian provinces of Ontario and Quebec. It prohibits new or increased diversions of water from the Great Lakes to areas outside the Great Lakes-St.

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10% of the entire planet's fresh water are contained in one inland sea. The amount of snow that gets melted and runs into the Great Lakes each year is so vast, that there is zero chance of running low. Droughts don't exist up there. Here in Perth Western Australia we have a dam, little rain and treated water.

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Half-Lie #2 – Companies are pumping millions of gallons of water out of the Great Lakes and selling it to China. There is a bit of truth to this. Companies can collect and bottle water in the Great Lakes region but only in containers of 5.7 gallons or less.

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The water that replenishes the Great Lakes comes from precipitation, which is driven by the region's climate.

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Water levels in the Great Lakes have fluctuated since 1860. Over the last few decades, water levels have declined slightly for most of the Great Lakes (see Figure 1). The past few years, however, have shown notable increases toward the top of the historical range.

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The net volume loss in natural lakes is largely attributable to climate warming, increasing evaporative demand, and human water consumption, whereas sedimentation dominates storage losses in reservoirs.

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