What will be the status of future water availability in the United States if water consumption trends continue as they have been?
Water availability may become a crisis as the demand for water is greater than the suppl.
The United States will have an abundance of water.The United States is expected to run out of water in the next 50 years.
Water shortages will be offset by a water pipeline bringing water from Canada.
The United States will experience water shortages but only in a few isolated desert states.
Why did the city of Las Vegas, Nevada, introduce aggressive water conservation programs?
Casinos in the city are planning on erecting several large fountains to attract tourists.
Water levels in Lake Mead have been intentionally lowered to build a new marina.
Most of the water for the city comes from Lake Mead, and its capacity has dropped to less than half of what it had in 1998.
There is pressure from farmers in southern California, who also use water from Lake Mead.Most of the city's water comes from an aquifer, which has nearly been depleted.
What would be the consequences of Lake Mead's water level dropping to a surface elevation of below 1,050 feet?
The lake would no longer be able to provide water to Las Vegas.
Minerals deposited on the lake's banks could be mined.
There no longer would be a concern of catastrophic flooding downstream from the reservoir.
Hoover Dam would no longer be able to produce hydroelectric power.Recreational boating would no longer be possible.
Part E
How have issues related to water availability affected management of water in the Great Lakes?
The states containing the lakes have agreed to sell water to states in the southeastern United States facing water shortages.
The states containing the lakes have agreed to construct a water pipeline from Lake Michigan to Nebraska to alleviate water shortages.
The states containing the lakes have banned the export of water outside the region, even to other U.S. states.
The states containing the lakes have discussed construction of a mega-dam near Buffalo to increase lake levels.
The United States and Canada have had several disputes because Canada has blocked attempts by the states containing the lakes to export water.