Suffolk plans to start “smoke testing” sewer lines beginning in April. Smoke testing involves injecting opaque-colored smoke through the sanitary sewer pipes to locate and identify deficiencies that ...

To see if you have a sewer backflow preventer installed, locate the water meter at your ... You'll usually see two vertical pipe sections coming out of the ground. The preventer sits in between ...

A special non-toxic smoke will be used in these tests. The smoke is manufactured for this purpose, leaves no residuals or stains, and has no effect on plant or animal life. The smoke has a distinctive ...