There’s an old joke that goes something like this: A violinist, late for an audition, inquires of a New York cabbie, “How do I get to Carnegie Hall?” To which the cabbie responds: “Practice, practice, practice.”In some respects, the same might be said of the water system manager who asks, “How do I prevent leaks?” The obvious response is “Maintenance, maintenance, maintenance.”But it’s really a trick question. The harsh reality is water systems, by nature, leak and no amount of maintenance will prevent that, says George Kunkel, water efficiency program manager for the Philadelphia Water Department.“I would use the word
