Bottled water has exploded in popularity across the U.S., with millions buying it daily believing it to be cleaner and safer than tap. Yet research shows that nearly 64% of bottled water actually comes from municipal supplies — the same sources that feed household taps. Some companies add extra purification, but others make few changes before bottling and selling it at a high markup.

Concerns about quality aren’t unfounded. Brands like Walmart’s Sam’s Choice and Giant’s Acadia have faced criticism for contamination levels exceeding California’s safety standards. By contrast, brands such as Gerber Pure, Nestlé Pure Life, and Penta Ultra-Purified Water have been praised for disclosing their sources and using purification methods like reverse osmosis and distillation.

Surprisingly, tap water in the U.S. is often held to stricter testing requirements. The EPA enforces frequent testing and public reporting for municipal systems, while bottled water is regulated by the FDA, which applies less frequent oversight. Studies have also detected pollutants in bottled samples — including arsenic, bacteria, and microplastics. Packaging itself can add risks, as microplastic particles from bottles or the bottling process have been found in many popular brands.

Beyond health, bottled water has a major environmental cost. Billions of plastic bottles are produced each year, consuming fossil fuels and contributing to landfill and ocean waste. Even recycling requires significant energy and remains inefficient. The takeaway: bottled water isn’t always safer or better. Tap water often meets higher safety standards at a fraction of the price, and pairing it with a home filter and reusable bottle provides both health protection and environmental benefits.