Closed-circuit television cameras and smoke and dye testing have been used to detect sewer leaks for years, but new technology is making its way into the field.Electro Scan Inc., based in Sacramento, Calif., has introduced the Electro Scan ES-38 system, which uses low-level electrical current to pinpoint leaks. The Electro Scan system is controlled by and transmits data to smartphones and tablets, making use of various features on those devices.The ES-38 system is designed and configured for use in 3- to 8-inch sewer laterals serving individual homes or businesses. It is the first in what the manufacturer expects to be
