For the first time in U.S. history, bottled water has become more popular than soda.

According to Euromonitor, as the per capita consumption of sodas reached a 30-year low. Bloomberg reports .

However, the rise in bottled water sales is largely due to fears over contamination, rather than people picking up more healthy habits, experts said. Lead contamination in Flint, Michigan, Washington D.C. and Newark, New Jersey, have drawn attention to the crumbling infrastructure of the nation’s cities.

A report by the Natural Resources Defense Council revealed that . Additionally, more than 5,300 water systems in America are in violation of the U.S. Environmental Protection Agency’slead and copper rule.

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“ clearly leads them to drink it out of a bottle,” Waterkeeper Alliance director Marc Yaggi told Bloomberg.

Such is the case in Flint, where many residents feel bottled water is their only choice.

“Concerns in places like Flint do bring bottled water to people’s attention as a safe and sealed source of drinking water,” Nestle Waters North America spokeswoman Jane Lazgin told Bloomberg.

However, bottled water isn’t as simple a solution as many would believe. Bottled water is much more expensive than tap water, and many believe it is much tougher on the environment.

According to the Pacific Institute, . Additionally, bottled water may not always contain the cleanest water.

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Even with certain regulations in place, than other food plants or municipal water systems, the Pacific Institute also reports.

At least $384 billion is needed to maintain and replace essential parts of the country’s water infrastructure through 2030, according to EPA estimates obtained by Bloomberg.

“Bottled water might be a band-aid solution for situations like Flint,” Corporate Accountability International deputy director John Stewart told Bloomberg, “but it is definitely not a long-term solution for providing daily drinking water needs.”

MORE ON WEATHER.COM: Flint's Water Crisis

Matt Hopper holds and comforts Nyla Hopper, age 5 of Flint, after she has her blood drawn to be tested for lead on January 26, 2016 at Eisenhower Elementary School in Flint, Michigan. (Brett Carlsen/Getty Images)

At a Glance

Sales of bottled water are expected to top the sales of soda for the first time this year.Many believe this uptick is due to health concerns over tap water.