A coalition of bottled water companies—including Nestle Waters, which owns Poland Spring, and Keeper Springs, a smaller company owned by environmental advocate Robert F. Kennedy Jr.—filed a lawsuit yesterday to challenge a new state law that would require bottled water companies to charge a 5 cent deposit fee. The complaint argues that the law violates the Constitution’s equal protection clause because it exempts drinks with sugar added, such as competitors like Glacéau, makers of Vitamin Water. Lawyers also say the deposit would violate the Constitution’s interstate commerce protections the law because it could be interpreted as prohibiting companies from selling the New York-labeled bottles in other states.

After higher-than-safe levels of the chemical terachloroethylene, also known as PERC and used by dry cleaners and auto body shops, were 
