FAQs • Smoke Testing

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Smoke Testing

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1. How will residents be notified when smoke testing will be performed?: Individual door hanger notices will be placed on the homes / businesses to be affected at least 2 days in advance. Frisco Police and Fire departments are also notified in advance and on the day of the testing.

2. How is a smoke test conducted?: A smoke blower is placed over manholes and smoke is blown through the sewer system.

3. Is the smoke used for testing the sewer system harmful?: No. It may make you cough, but it is not harmful to you, your pets, or your plants, and it will not harm clothing, drapes, or furniture. If there are individuals in your home who have respiratory problems and are immobile, please notify the Public Works Department at 972-292-5800 prior to testing.

4. Do residents have to be home when the smoke testing is performed?: Homeowners do not need to be at home, and field crews will not need to enter the dwelling. Field crews will record the testing, taking photos and measuring distances so the defects can be located.

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