There are an estimated 6.1 million lead water service lines still in use in the United States. But none of them are in Louisville, thanks to the recent completion of a long-running service-line replacement program run by the Louisville Water Co. — and completed five years ahead of schedule.
As such, Louisville is one of the first large cities in the country to successfully replace all of its known lead water service lines — 74,000 in all — with copper pipes. The original lines were installed between 1860 and 1936, when the use of lead pipes was commonplace.
The utility delivers an average of 120 million
