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Public Notice: Smoke Testing Sanitary Sewer

Field crews from National Water Main Company will be conducting smoke testing of the sanitary sewer system around Conesus Lake, on behalf of the Livingston County Water & Sewer Authority. This work is part of a larger study that is being completed to identify sources of extraneous flow entering the sanitary sewer system.

For more information visit our website: or call 585-346-3523.

What we need from you:

  • Field crews will be wearing high visible safety gear with their logo visible
  • Stay alert and slow down when driving near the work areas.
  • Please review the FAQ’s printed below


Frequently Asked Questions:

  1. Is the Smoke Hazardous?
    No, the smoke is non-toxic, non-staining, white in color, and has no odor. It does not create a fire hazard.
  1. What should I do if smoke gets into my home?
    Notify field crews. Open windows and doors to allow ventilation. Smoke inside could indicate faulty plumbing or cracked seals. The smoke detector may sound, but the smoke will clear quickly.
  1. Do I need to be home during the test?
    No, field crews will be taking photos and may walk along the front of your property to determine where the smoke is going but will not enter any homes.
  1. What if I have pets’ home during the test?
    The smoke is not harmful to humans or pets. However, you could leave a window partially opened so that it can escape. If you have proper plumbing connections and all the drain traps have water in them, there should be no smoke entering your home.
  1. How should I prepare for smoke testing?
    Drain traps should be filled with water to prevent sewer gases and smoke from entering your home.
  1. What are the benefits of performing a smoke test?
    Smoke testing is one method of identifying sections of sewer that may have the potential for additional inflow into the sanitary sewer system during rain events.
  1. Will I be notified about sewer leaks at my house?
    LCWSA may be in contact with you later to discuss potential repairs that may be needed.


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