

Forget legroom, what about more water?


As travelers adjust to the new rules against carrying liquids onto planes, what about the most essential liquid, water? Before the London terror scare a few weeks ago, water bottles in a variety of shapes and sizes usually could be seen poking out of backpacks, carryalls and totes in departure lounges. Now that passengers must rely solely on what the airlines provide to quench their thirst, there's reason to be concerned that it may not be enough.

On the Friday morning after the new regulations set in, Heather Freeman, a hotel and restaurant publicist from Indian Harbor Beach, dutifully tossed out her water bottle before boarding a US Airways flight from Washington to Orlando. She expected to rely on the usual selection of drinks on the beverage cart to get her through the next two hours or so.

But the flight was turbulent, and the cart came by only once during the trip. By the time she landed, Freeman was parched.

"The first thing I wanted when I got off was a big glass of sparkling water," she says. The experience also made her wonder what might happen on a longer turbulent flight. "Say I had to fly to L.A. Could I make it on a cup of water?"

Dehydration can be a real concern for air travelers, especially those with health problems. An airplane cabin at cruising altitude can be drier than the Sahara Desert, with relative humidity between 10 percent and 20 percent. Because such an atmosphere dries mucous membranes, you're more prone to infection, says Dr. Marc Siegel, an internist and associate professor at New York University School of Medicine.

Siegel also advises refraining from caffeinated and alcoholic beverages, because they have a diuretic rather than hydrating effect. That means the strict ban on liquids "puts more responsibility and pressure on the airlines to make sure beverage service is early in the flight and includes an option for water," he said.

No stop for refills

So what are airlines doing to ensure that fliers have enough to drink during their flights? Not much. In fact, most airlines dismiss the question, pointing out that they always planned and stocked refreshments as if customers were not bringing on their own. Though none would provide the precise number of drinks they take aboard, airlines say they take into consideration the number of passengers and the length of the flight.

US Airways is stocking extra water since the liquid ban and says it had directed flight attendants to make additional rounds with beverage carts when possible. United said its flights already have up to 75 percent more beverages onboard than what is normally consumed by its customers. Delta, which added water after the new security measures, has "been watching consumption closely," spokeswoman Betsy Talton e-mailed, and is returning to normal provisions after discovering the extra supply wasn't used.

"This beverage provisioning is not a big deal for us at all," Tim Wagner, an American Airlines spokesman, says by e-mail, "This is mountain-out-of-a-molehill stuff." Still, he says, American has slightly increased the supply of sodas and juices across its system and is adding two to four liters of extra water per flight. (That's liters per plane, not per person.)

Airlines insist that running out of bottled water is rare, but flight attendants say it isn't that uncommon. "The supplies are limited, and they can run out," says Pat Friend, president of the Association of Flight Attendants. "And there's not a place to stop for refills."

What goes in . . .

When the bottled water does run out, airlines say they turn to the taps onboard the aircraft. Though the Air Transport Association, a trade group representing the major U.S. airlines, insists it is safe for passengers to drink and brush their teeth with aircraft water, using it is still controversial. "Most flight attendants will not drink it," Friend says.

In 2004, 15 percent of aircraft water in random sampling by the Environmental Protection Agency tested positive for total coliform bacteria. The presence of total coliform, though not indicative of a health risk in and of itself, is a sign that disease-causing organisms could also be in the water. In June, Health Canada, the Canadian government's health department, cautioned travelers with compromised immune systems to avoid drinking any tap water on Canadian airlines after random tests revealed both total coliform and E. coli bacteria.

Even though the EPA has stopped short of advising all passengers not to drink aircraft water, it tells passengers with suppressed immune systems to stick to bottled or canned drinks and also warns that airline tea or coffee is often made with tap water insufficiently heated to ensure safety. Federal regulations on aircraft drinking water may be issued by 2009, the EPA said.

That brings the responsibility for slaking passengers' thirst back to the airlines and airport security officials. So far, even water bottles that appear to have their original seals intact can't be carried on. Although that may be prudent if screeners can't determine the bottles' origin, it seems logical to ask whether airports and airlines could provide a secure supply of water for sale near the gates -- or even to be given out free at the jetway, the way some airlines offer earphones for their sound systems.

Meanwhile, there is one more issue facing passengers under the new security rules. Because passengers are required to toss or finish their drinks before boarding, many have been chugging 16-ounce bottles of water or venti lattes just before they get on the plane. On Heather Freeman's turbulent flight from Washington to Orlando, that meant extra-long lines for the onboard restrooms. "I never saw so many people get up," she said.

Yet not everyone successfully made it to the restroom. "It was a very turbulent flight," Freeman says, "so they kept saying, 'Get back in your seats.' "

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