NAPERVILLE, Ill. — Smoke testing to identify the location of leaks and connections where stormwater can enter the sanitary sewer system is scheduled to begin the week of June 20 in several neighborhoods across the City. Testing is expected to be complete by the end of October, pending weather or unforeseen circumstances.
During smoke testing, air combined with non-toxic smoke is forced into sewer lines. Smoke can be seen coming out of the ground where there are defects in the lines. Smoke testing helps prevent inconvenient and expensive sanitary sewer backups and identifies roof drains, patio drains and footing drains that are connected to the sewer system.
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