The project is intended to give the authorities the ability to draw water from the Colorado River for the Las Vegas area and guard against water quality issues that are associated with continually dropping lake levels.
It is hard to protect shopping malls or guard water supplies everywhere.
The Texas National Guard sent a water purification team to the West End.
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Kyle Abel, a 24-year-old who drives a boat for the Coast Guard, delivered water bottles to those who opted to stay in their homes, despite the water creeping up their front porches.
While the walls of the Inspiration Mars spacecraft will initially be lined with water-filled bags to guard against cosmic rays, their contents will be gradually replaced with er, byproduct that will be dehydrated through the bag (possibly using polyethylene) to reclaim and purify water for drinking.
The sailor gave the three men food and water and then called the coast guard again, Moseley said.
The trawler capsized hours after the Coast Guard set fire to it, causing it to begin taking on water, said Petty Officer 1st Class David Mosley, a Coast Guard spokesman.
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"The principal and the guard, they test the water every day, " Jan said.
In most cases, the local police departments do not have the level of training or legal authority that the Coast Guard has to conduct the water-based security missions and interventions.
The Coast Guard is the lead on that water and in the coastal zone.
The Coast Guard said Monday its air and water crews have rescued more than 22, 000 people in states affected by Katrina.
Agency officials disrupted supply lines, turned away diesel fuel provided by the Coast Guard and three trailer trucks filled with water provided by Wal-Mart.
Another ship, the Carnival Legend, is en route from Tampa, Florida, to bring additional food and water to the Triumph on Monday afternoon, the Coast Guard said.
In New York, where Sandy brought a record 14ft (4.2m) tidal surge, the National Guard is to deliver a million meals and bottled water to residents affected by the storm.
They need to guard against the wind, sun, and lack of water among other forces.
Carnival said its ship spotted the raft and coordinated with the Coast Guard to take them aboard and give them food, water and medical treatment.
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The Coast Guard deployed 20, 000 gallons of dispersants into the water Thursday, he said, and more than 1.3 million feet of boom are deployed around the state.
"The boat was trying to recover one passenger who fell down from the boat and later on the boat could not control the momentum and it went down inside the water, " Lt Col Zahid Hasan, a senior Bangladesh border guard official, told the BBC.
Several Coast Guard cutters are already there providing everything from basic services like water, to vital technical support for this massive logistical operation.
National Guard helicopters were flying to the scene Monday morning and will drop water from a nearby lake onto the fire, said Perrin Anderson, a spokesman for Sevier County.
But Mr Padilha warned state authorities not to let down their guard as the rainy season could exacerbate the situation, with standing water providing an ideal breeding ground for the mosquitoes carrying the disease.
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His soldiers guard 150 facilities in the city -- including power stations, water treatment plants, schools and banks -- and have found more than 500 ammunition caches in schools and residential areas, he said.
Swift Water Rescue -- the lead federal agency was the U.S. Coast Guard.
"Helicopters are flying over, " the Gulf War-era Coast Guard veteran said as he strolled across the plaza, a bottle of water in his hand.
Supporters say that the project is necessary to guard against droughts and the influx of new citizens who will increase the demand for fresh water.
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The twin-engine Cessna 421 remained afloat with its tail sticking out of the water for some time before it sank Thursday afternoon, said Petty Officer Elizabeth Bordelon, a Coast Guard spokeswoman.
The Air National Guard and Air Force Reserve have also sent six C-130 aircraft specially set up to drop water and fire suppressant on the fires.
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Guard aircraft are also assisting in the response and helping to coordinate the vessels that are out on the water.
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