A slow-motion Colorado River disaster
It may take federal disaster relief to offset the consequences of water scarcity in the Southwest.
On Aug. 7, the head of the Southern Nevada Water Authority called for federal disaster relief to address the consequences of water scarcity in the Colorado River system. On Friday, the Bureau of Reclamation announced it would be forced to cut the flow of water into Lake Mead in 2014 to a historic low. Dominoes may now fall from California to Washington, D.C.
A nearly century-old body of agreements and legal decisions known as the Law of the River regulates water distribution from the Colorado River among seven states and Mexico. Two major reservoirs help collect and distribute that water. Lake Mead disburses water to Nevada, Arizona, California and Mexico. Mead gets its water from Lake Powell, which collects its water from Utah, Wyoming, Colorado and New Mexico. For the first time, Lake Powell releases will fall below 8.23 million acre-feet of water, to 7.48 million acre-feet, potentially reducing allotments down the line and setting off a cascade of significant consequences.
First, if recent dry weather in the Colorado River basin continues, declining water levels in Lake Powell could cut off power production at Glen Canyon Dam as early as winter 2015, affecting power supply and pricing in six states.
Second, less water coming into Lake Mead from Lake Powell may bring the level in Mead below an intake pipe that delivers water to Las Vegas by spring 2015. The Southern Nevada Water Authority has been racing to construct a deeper intake pipe by the end of 2014.
By winter 2015, Lake Mead also may dip to a level that would result in a major decline in power generation at Hoover Dam. That would affect the supply and cost of power for consumers in Nevada, Arizona and California. Southern California uses below-market-rate power from Hoover Dam to pump water to its cities and farms; if the region was forced to buy market-rate electricity from elsewhere, the price of water for Southern California consumers would surely rise.
Please click here to read the full story: http://www.latimes.com/opinion/la-oe-mackey-colorado-river-drought-20130819,0,2138689.story?facebook
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