The OWSIM Website contract has expired, so now the domain www.owsim.com will redirect people to the MOWMA website located at www.mowma.org. This change allows us to streamline operations and save costs on maintaining multiple websites. All OWSIM information will now be merged into the MOWMA website. The admin@owsim.com email address will remain as will a new email

The MOWMA/OWSIM Annual General Meeting and Education Day took place in Winnipeg on April 26, 2019 at the Park West Inn, 525 Dale Blvd. Twenty-seven people participated in presentations from Manitoba Sustainability, as well as presentations on site evaluation, pump selection, and system sizing for secondary treated dispersal systems. Thank you to the following sponsors

The Onsite Installer Certification Course is typically delivered twice a year at Red River College. Courses take place in May and September/October. There are no dates currently posted for this training, however for more information on upcoming courses please contact: Red River Notre Dame Campus For further information and registration or to put your name on

Ryerson University’s Flushability Lab at Ryerson Urban Water recently released a report: Defining ‘Flushability’ for Sewer Use. Tests evaluated 101 single-use products, of which 23 were labeled as ‘flushable’ by the manufacturer. Results showed that not one single wipe was able to fall apart or disperse safely through the sewer system test. This can negatively

Many installers do not wish to take on the task of maintaining septic systems, but these systems all require maintenance and providing a maintenance service helps to get the cash flowing earlier in the spring than waiting for the install season to begin.  Spring is a good time to do annual maintenance inspections to see