The City of Oak Ridge Public Works Department continues to utilize state-of-the-art technology to perform inspections of the City’s sewer system. This technology employs a sonar machine that emits a repeating series of tones, similar to a musical scale. In open areas, the pitches can be heard over long distances. The tones emitted by the machine, while harmless, are low enough in frequency that residents nearby may be able to feel and in some instances hear them.

Testing is ongoing but will be concentrated to the following areas depending on weather constraints and other factors throughout the rest of the month of February 2016. This includes the areas near Hendrix Drive and Wolf Creek Subdivision. Residents will notice signage posted on main roads stating, “Acoustic Sewer Inspection in Area” while crews are working in their neighborhoods.

Questions can be directed to the Public Works information line at 425.3619 or email More information may also be found on our website at

For more information about the City of Oak Ridge, please visit the website at Media contact: Nick Sisco at (865) 425-3546 or