Louisville Water is the largest and oldest water company in Kentucky and has a 156-year history of innovation.Its research led to the development of rapid sand filtration in the late 1800s. Louisville was one of the first cities in the country to fluoridate, and the first water utility in the world to combine a tunnel with gravity-fed wells as a drinking-water source.The company continues to raise the bar for quality, investing heavily in its two water treatment plants and the 4,100-mile distribution system. As a Partnership for Safe Water member since 1999, the company has met the Phase I, II and
