Line assessment tool helps city find blockages in sewerProblem: The City of Starkville, Miss., needed to quickly get a handle on blockage conditions within its 171 miles of gravity-fed sewer as part of an EPA Agreed Order on Consent (AOC) to reduce SSOs.Solution: The city chose the Sewer Line Rapid Assessment Tool, or SL-RAT, from InfoSense, to help focus cleaning efforts around hot spot areas that had experienced SSOs or slow sewers. The unit is composed of a transmitter and a receiver. The transmitter is placed in an open manhole and transmits a sequence of tones through the air gap














