In the early 1980s, Homewood voters made a decision that directly affects the cost of water in Homewood and Flossmoor today: They decided to switch from well water to Lake Michigan water.The vote wasn't even close.Homewood Mayor Richard Hofeld said the referendum passed with 90 percent or more of the votes in favor of the switch."It was overwhelming to go to Lake Michigan water," he said. Lake water quality is much better than well water, according to village officials. It has much less mineral content, so it requires less treatment for hardness. Lake . . .