Finding the Source: How Smoke Testing Helps Eliminate Expensive Sewer System Problems

October 15, 2025

Common challenges for municipalities, engineers, and utility providers are undetected leaks and inflows that overwhelm the sewer system. When you don’t know where Inflow and Infiltration (I/I) comes from or what is causing your system’s issues, you often end up spending more money than is necessary to fix it. 


At Compliance EnviroSystems (CES), we provide a smarter, quicker, and more cost-effective solution: Smoke Testing.

What is Smoke Testing?


Smoke testing is a proven method to locate defects in the sewer’s main lines, laterals, service lines, and manholes. Using non-toxic vapor (smoke), our team quickly identifies leaks, tie-ins, and defects that can compromise your system. 


This process helps municipalities, engineers, and utilities take control of their systems and avoid unnecessary repair costs, which is a win for both operations and budgets.


How Does Smoke Testing Work?


CES has trained crews that introduce non-toxic vapor into isolated sections of the sanitary sewer system. As the vapor escapes, it reveals leaks, tie-ins, and other defects, such as cracks, that may be compromising your system’s flow. This provides a timely, visual way to narrow down where the problems in your system originate.

Public Safety: Communication and Compliance Handled for You

Worried about public concern or confusion during testing? CES takes care of it all.

We ensure local residents and businesses receive prompt notifications in advance when Smoke Testing will be conducted. We also notify the local police department, fire departments, and city officials so that all parties are properly prepared for what to expect during the Smoke Testing process. 


Turning Data Into Solutions


After Smoke Testing, CES provides a detailed GIS map that digitally displays all findings with geographic context. Having a clear roadmap to prioritize repair needs provides engineers, municipalities, and utilities with the tools they need for less-expensive rehabilitation planning.


Why Choose CES for Smoke Testing?


When it comes to identifying sewer system issues, Smoke Testing with CES is one of the quickest, safest, and most cost-effective solutions available. From planning to public notification to data delivery, we make the entire process seamless, allowing our clients to can focus on maintaining a reliable, effective system.

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