Water entering the basement of a school in downtown Chicago, Ill., was the first clue the Chicago Water Department had that something was amiss. However, city crews were unable to locate the source of the leak.The department called its service provider, Pitometer Group of ADS Environmental Services. ADS, the city’s authorized service provider of the Echologics large pipe LeakFinderRT technology, saw an opportunity to test the new software in the field. All previous achievements had involved induced known leaks. On the first attempt, and in a matter of hours, the leak correlator pinpointed the leak in a large-diameter main without
