Smoke-testing is a low-cost and efficient method of inflow analysis which can greatly simplify the ability to detect sources of water inflow into sewage systems. Crews can quickly trace uncapped or abandoned service lines; illegal connections, infiltrating manholes, sewer gases in homes, line blockages, defective joints and more.

Our smoke blower produces a large volume of harmless, non-toxic, theatrical-grade smoke which is blown through the system by a high-powered fan. Pneumatic plugs can be used in the mainline to restrict the smoke to the area being investigated. The test crew inspects landscaped areas, buildings, roof vents, road surface, manholes and other potential sources of extraneous water inflow. Survey stakes can be placed in areas where smoke plumes are evident and photographs and reports are used to record the details of the defect for future corrective action.