Visualizing Corrosion and Odor Hotspots in Municipal Sewer Networks Before Assets Fail

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Sewer corrosion can severely limit the lifetime of assets and costs millions to repair. Assets can fail well before the expected life of the equipment and costly manual inspection methods can only cover a small fraction of the network each year.

The cost of replacement and maintenance for unexpected issues can be in the millions. Odor issues in the network can be highly disruptive and understanding and managing safety issues related to sulfide and methane generation is a critical issue to most water utilities. SeweX identifies sewer corrosion issues before costly and disruptive incidents occur. Dynamic modeling of corrosion risk is translated to provide rapid analysis of the likely cause of corrosion risk that has occurred or is emerging. Alternative operating and control scenarios can then be simulated to identify the best approach for short-term response and long-term asset management at water utilities.

What is SeweX?

SeweX is based on an advanced mathematical model that describes the physical, chemical and biological processes in sewers. SeweX has integrated complex models used to represent sulfide and methane generation in sewer networks into a solution that can be used by decision makers to:

  • Quickly and easily identify major cost savings in the design of a network.
  • Pinpoint the source of pollution events in real-time.
  • Make operational and design decisions to avoid corrosion, odor and safety issues.
  • Identify sewer corrosion and odor risk priority areas quickly and predict the outcome of different operating scenarios to solve those issues

Real-time management of corrosion, odor and safety risks in sewer networks 

 The cause of odor complaints in the network can be quickly identified with EVS SeweX, together with analysis of potential dosing approaches to minimize ongoing costs for managing the issue. Safety risk related to sulfide and methane generation is also easily understood with network-wide mapping of risk before sewer inspection. Market alternatives offer only simple storage and display of monitoring information. SeweX provides rapid understanding of risk as it develops and supports science-based decision making for making the best short-term and long-term decisions for improvement. 

Find out more about SeweX here:


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