The percentage of community water systems (CWS) operating at a loss increased between 2000 and 2006, according to a recently released survey from the U.S. EPA and reported by the American Water Works Association. The survey, last conducted in 2000, also revealed the largest decrease in the number of CWS in operation since the studies began in 1976.The 2006 Community Water System Survey shows that expenses increased more than revenues in most size categories, especially for publicly owned systems. CWS are public water systems that supply water to the same population year-round. They comprise about one third of all public
