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Crews from the City and County of Honolulu's Department of Environmental Services (ENV) will conduct smoke testing of the wastewater collection system in Wahiawa residential areas from March 17-20 and 24-27, 2009.  Crews will be in Wahiawa monthly through October.

This is part of the ENV's preventative maintenance program to prevent rainwater from entering the sewer system.  ENV crews pump smoke into sewer lines, examine whether any smoke escapes and record its location.  The smoke used is non-toxic, harmless and has minimal odor.  The smoke is not a fire hazard and does not pose a health hazard to humans or pets.

            Tests locate broken pipes, illegal connections, open cleanouts and other paths for runoff that enter the sewer system.  Runoff from heavy rain can overwhelm and surcharge the sewer system and treatment plants, causing spills.

            ENV plans to smoke test California Ave., Ihoiho Pl., Rose St., Rose Pl., Circle Dr., Hauola Ave., Manua St., Nanea Ave., Makaweo Ave., Loko Dr., Loko Pl., Oliko Pl., Kilau Pl., and Iliwai Drive.                                   






         Markus Owens, ENV Public Communications Officer, 768-3454