1. A pipe inspection robot, comprising: a powered track system providing movement to the pipe inspection robot to traverse through the interior of a water or sewer pipe; a sensor component attached to the powered track system; and a processor; said sensor component comprising: a terahertz (THz) beam source a receiver; and a visual camera; said processor configured to: operate the sensor component to collect THz data and visual image data related to an interior surface of the water or sewer pipe as the pipe inspection robot traverses through the water or sewer pipe; associate the THz data with visual image data; and communicate the THz data and the visual image data collected over a network connection.