In the United States, most people take it for granted that they will be able to go to the faucet, turn it on and get clean water. But in recent years, cases where something goes wrong with municipal water systems have made headlines and put the state of the nation’s water infrastructure under a microscope. This week on “Take Care,” Richard Anderson , senior advisor to the U.S. Conference of Mayors Water Council, discusses how municipal water systems work, and the challenges communities face in