Drinking water from plastic bottles has become ubiquitous in many parts of the world. It is believed to be healthier than tap water, the main argument being that tap water typically contains more metal contaminants as a result of the piping. It is also claimed to be safer. In communities that have problematic water piping, bottled water consumption is notably higher. However, some studies suggest that bottled water is no healthier than tap water, with claims that bottled water is less healthy. One great concern from bottled water critics is the massive environmental impact of the disposable plastic bottles. With recycling rates remaining low, the number of plastic bottles produced to maintain the demand for bottled water has exacerbated the problem of overburdened landfills.