What is an identifiable benefit of using dye testing in sewer inspection?

Using dye testing in sewer inspection allows for the effective identification of hidden leaks. During this process, a non-toxic dye is introduced into the sewer system. If any leaks or infiltrations exist, the dye will escape into the surrounding environment, making it visible at surface points such as nearby water bodies or soil. This method is particularly advantageous because leaks can often be hidden from view and traditional inspection methods may not easily reveal their presence. By identifying these hidden leaks, municipalities and maintenance teams can take corrective actions to prevent groundwater contamination and improve the overall integrity of the sewer system.

While detecting blockages is important, dye testing primarily focuses on tracing the flow and identifying leaks rather than blockages. Similarly, while improving water quality and aiding in debris removal are beneficial outcomes of an efficient sewer system, they are not direct benefits of dye testing itself.