When you reach for a bottle of water, you’re probably assuming you’re making a healthier, safer choice. After all, it’s packaged to look pure, clean, and premium. But here’s the surprising truth: about 64% of bottled water sold in the U.S. comes straight from municipal water supplies—in other words, tap water.

Even more concerning? Some of these companies barely treat the water before bottling it, and some brands have even…


