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1. What is the purpose of smoke testing?

Smoke testing is a cost effective way to locate cracks, breaks or defects in the sewer system. Once a problem area is located, necessary repairs are made to prevent sewer gases or waste from leaking out as well as water or contaminants seeping into the system.

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, and it may have a slight odor, but it is not harmful to you, your pets, or your plants. The non-toxic smoke will not harm clothing, drapes, or furniture. If there are individuals in your home who have respiratory problems or are mobility impaired, please notify the Water Utilities Department at 325-676-6000 prior to testing.

4. What should I do to prepare for smoke testing?

Smoke should only enter your premises if the drain traps in your home are dry or defective, or if you have a plumbing issue. You may want to pour approximately 3 cups of water down your drains, especially those rarely used, to ensure that the drain pipe trap will be effective.

5. When will smoke testing be performed?

Smoke testing will be occur between the hours of 8:00 a.m. to 5:00 p.m., Monday through Friday.

6. Who can I call if I have a question or issue not listed here?

You may contact us at 325-676-6000.