News

Request for Articles

The association is sourcing articles for publication in our WCOWMA family of newsletters, and our printed magazine.  Newsletters are published monthly, and magazines are published twice per year. Both include information, news and events from each Western province. Articles submitted may be on any topic relevant to our membership and stakeholder group, such as those

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Education Day

MOWMA/OWSIM hosted an Education Day in Winnipeg on January 25. Twenty people attended the education day to learn about upcoming regulatory changes, installing with chambers, designing pressure distribution systems and sizing pumps. Derek Smith from Manitoba Sustainable Development provided a presentation on the importance of soils evaluation in system design and discussed the need for

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SJE Rhombus holds September training session

DETROIT LAKES, Minnesota (September 11, 2018) – Twice a year, SJE Rhombus holds training sessions that let their customers get to know their products better. This year’s second training ran from September 11-12 at the company’s headquarters in Detroit Lakes, Minn. The training involved many sessions, ranging from presentations to hands-on workshops like panel assembly.

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Changes to Graded Stone Requirements for Prefabricated, Gravel-less Chambers

Effective July 18, 2018, the placement of graded stone beneath prefabricated, gravel-less chambers is no longer required or recommended for disposal field systems, including sand mounds and sand-lined trenches.  This change applies to chambers with an H-10 AASHTO load rating (16,000 lbs/axle).  Graded stone is still required beneath chambers having an H-20 AASHTO load rating

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