Well, a while ago I was chastising the seven Colorado Basin states - CA, NM, NV, AZ, WY, UT, and CO - for "not playing nice". Looks like they have been "playing nice" after all, as they have reached a new agreement on the Colorado River that not only alter the way the river is managed during drought but also ensure California's water supply and Las Vegas' drinking water as well.
The agreement will dictate how reduced water supplies will be allocated should the present drought continue. Check out this little drought update from the Southern Nevada Water Authority (SNWA):
Download SNWA_drought_update2011_2007.pdf
Check out Michael Gardner's story in the San Diego Union-Tribune and Edward Lawrence's story on Las Vegas TV station KLAS. I used both sources in writing this post.

The agreement, ten years in the making, prescribes that if Lake Mead, now at 48% of capacity after 8 years' drought, continues to shrink, Arizona and Nevada will absorb cuts first, which likely will not occur before 2010. California won't get cut till the lake falls to 16% of capacity, a level never reached since the lake first filled.
Lake Powell, the other big reservoir on the Lower Colorado, is also about 48% of capacity. The two reservoirs have a maximum combined capacity of about 50,000,000 acre-feet.
Lake Powell levels are managed to benefit the Upper Basin states - WY, CO, NM, UT - whereas Lake Mead's are managed for the Lower Basin states - CA, NV, and AZ. The new agreement permits changes in those operating rules.
Las Vegas will get additional water, enough for 210,000 more homes. To get this concession from the other six states, SNWA will construct a reservoir near the USA-Mexico border at a cost of up to $200M. The reservoir will capture unused Colorado River water.
There are some unresolved issues, which are not minor: 1) Mexico; and 2) maintaining environmental flows. Dealing with Mexico is the purview of the U.S. State Department. The Mexicans have protested some California water moves, such as the lining of the All-American Canal (click here, too). With regard to (2), the agreement left open the possibility for storing environmental water in Lake Mead.
Will all this work? It's a Band-aid. Read this article by Sarah Bates Van de Wetering that appeared in Headwaters News.
It is apropos that the agreement will be signed at Caesar's Palace in Las Vegas. The Dairy Queen in Kingman would have been a better venue.
Hey, now we can build that 60,000-home subdivision near Kingman after all!
"There is nothing worse than having sight and no vision." -- Helen Keller
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