Rising demand and falling supply are spurring talk in the arid West of outside-the-box ideas like piping water from the nation's heartland and towing Arctic icebergs south to help thirsty U.S. cities like Denver, Los Angeles, Las Vegas and Phoenix.
Faced with ongoing drought, federal officials and water agency representatives from seven states with 40 million people that depend on the Colorado River have produced a report to be released at a three-day Colorado River Water Users Association conference this week in Las Vegas.
Details haven't been made public.
But Interior Secretary Ken Salazar is due to join in a media briefing Wednesday about the Colorado River Basin Water Supply and Demand Study.
Meanwhile, advocates and environmentalists are calling for a common-sense approach to water conservation and growth.