Thursday, April 21, 2022 at 2:00 p.m

Session #6: Manhole Inflow/Infiltration. Stop It or Pay the Price


Please Click button to schedule access*
or Send an email to to schedule access.
FREE to members.
Fee for non-members $30+HST.


Inflow/Infiltration (I/I) in manholes costs money. Municipalities can install or specify simple methods and materials to stop this unnecessary burden on the sanitary sewer system.


At the completion of this one-hour OJT session, participants will be able to demonstrate the following:

              • Have an overview on how to find Inflow/Infiltration
              • Understand how to prioritize repairs
              • Learn how to calculate how much I/I cost your community
              • Discover hidden costs
              • Obtain an overview of simple long lasting I/I prevention materials and methods
              • Understand how to remove lid plugs in the cold


Tim North

Our facilitator is Tim North, General Manager of Cretex Specialty Products.  Tim has been installing, selling and training installers on methods and materials to prevent Inflow/Infiltration in sewer manholes since 1999.




These 1-hour virtual sessions are offered every alternate Thursday starting at 2:00 pm.  Sessions are complimentary to all OMWA members and the fee for non-members is $30.00 CAD plus HST per person per session.  

If you have any specific questions regarding this OJT session, please feel free to submit them when you register and we will provide them to the workshop facilitator.   

The OMWA will provide a certificate recognizing participation in these On the Job Training sessions.
Attendance may also qualify as a Continuing Knowledge Activity for the PEO PEAK program

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