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Posted on: June 6, 2019

Sewer Smoke Testing - begins June 15

Smoke Testing Graphic

2019 Sanitary Sewer Smoke Testing – See Attached MAP for Affected Areas

The City of Palos Heights is conducting a program to identify locations where storm water is entering the City sanitary sewer system. The study, being performed by the engineering firm RJN Group, Inc. of Wheaton, Illinois, includes smoke testing of the sanitary sewers. Click HERE for additional information. 

Smoke testing is a simple means of locating openings in the sewer system that allow surface rainwater runoff to enter the sanitary sewers. Air combined with non-toxic smoke is forced into the sewer at manholes, usually located in the street, filling the system. Smoke will appear where there are defects in the main sewer line (usually located under the road) or laterals (connection between the main sewer line and a building) or where other connections to the sewer system exist, such as roof drains, patio drains and footing drains.

Smoke testing is scheduled to begin in June 15, 2019 and is expected to be completed by September 30, 2019 weather permitting. Additional notification will be provided by door hanger cards prior to the start of smoke testing and signs will be posted when crews are testing in your area.

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