Case Study: Smoker Reveals I&I Source

Utility managers in Freeman, South Dakota, were experiencing backup issues in their sewer system during heavy spring rains and couldn’t find the exact location of the problem. They were fairly certain of the general area, but were unable to pinpoint the locations and stop the overflow.The water infiltrating into the sewer system was overwhelming lift stations and the wastewater treatment system, as well as depositing debris in the pipe that required cleaning.South Dakota Rural Water was hired to perform a smoke test with the Hurco Power Smoker, but testing the sewer lines wasn’t revealing the source of the infiltration. Having