Several recent media stories and a statement issued by the National Toxicology Program have raised questions about the safety of polycarbonate plastic bottles due to the presence of a substance known as bisphenol A, or BPA.

Restaurants in the Gateway to the West, St. Louis, have joined a few other restaurants nationwide that have stopped selling bottled water to customers.  About 30 restaurants across the U.S. have done this, out of the 945,000 eateries the National Restaurant Association has on record.

It seems like almost once a week or more there’s a story in the news about a water main break and the efforts made to get residents clean water. This week’s water-main problem occurred in…