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Posted on: September 13, 2021

City of Marshall to Conduct Smoke Testing

smoke testing

On Wednesday, September 15, 2021, the City of Marshall Public Works Department and contractors will begin smoke testing sections of the sanitary sewer collection system, weather permitting. This notice is provided to inform residents that crews will be testing in the following areas: Sanford and Elm Street, Johnson and Hwy 59, Guimon and Shadywood Drive, Spring Street, Elm and Hester Street, South Harper, Jasper and Hwy 80, Sanford/wood and Medill Street, Alamo to Poag Street, and Park Drive to Bucksherrod Road. The testing should be completed by October 31, 2021, if weather permits.

Smoke testing is a very simple process that involves pumping non-toxic and non-staining smoke into sewer main lines, allowing smoke to seep up through the soil and indicate any cracks or line deterioration which is a source for groundwater to infiltrate sewer lines and overload the collection and treatment system. Once locations are identified, city crews will repair as many of these infiltration issues as possible so that heavy rain won’t overwhelm the sanitary sewer system or interfere with the operation of the wastewater treatment plant.

We take the time to notify the general public because the smoke can be mistaken as a fire when smoke vents out through commercial or residential sewer vent pipes on their roof or even in their yard. Local fire personal will be working with the field staff and will be able to differentiate between smoke from the testing and smoke that could result from a fire unrelated to the testing.

If residents or customers have any questions, they may call the City of Marshall Public Works Department at (903) 935-4516. 

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