area mapUSSI LLC.




Monday, April 19 - Friday, May 7
Weekdays 8 a.m. to 5 p.m.
Weather Permitting

You do not need to be home during the testing, which will take about 15 minutes.

Why This Test is Commonly Used

This routine, preventative maintenance test will help identify leaks, defects and stormwater inflows in the sewer system, thereby improving wastewater treatment operations and efficiency.

What to Expect

If you just received this door hanger you should expect to see a smoke test crew in your area in the next few days.  While smoke can be expected to be visible coming out of manhole covers and vent stacks in roofs, it should not enter homes. To reduce the likelihood of smoke entering a building, the City recommends that you pour 2-3 gallons of water into seldom-used sinks and floor drains, where the smoke could arise due to lack of water pressure. This may be done at any time prior to the test.

How the Test Works 

The test consists of forcing safe, vegetable-oil-derived smoke into the sewer lines and observing where it escapes in order to determine the location of leaks and defects. Odorless and safe, the smoke leaves no residuals or stains and has no adverse effect on people, plants or animals. The test generally last about 10 minutes from start to finish.

If Problems are Found

The City may notify you upon completion of the project if there are any problems found on your property.

Special Requests

While smoke testing is safe, residents with heart or respiratory conditions may contact USSI at 1-888-645-9570 or 941-926-2646 between the hours of 9am to 4pm to inquire about testing schedules and have a call ahead placed, only if needed.   


Work is being performed by USSI LLC with assistance from City Utility crews in easily recognizable uniforms.

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