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WCOWMA Onsite Wastewater Management Association of BC

Western Canada
Onsite Wastewater
Management Association
of BC

Serving British Columbia since 2008

The WCOWMA Onsite Wastewater Management of BC (WCOWMA-BC) is a not-for-profit organization with a mandate to support its member authorized persons in providing safe and effective wastewater management for landowners. We do this by delivering in-class and field training opportunities for onsite practitioners, providing networking and learning opportunities for industry stakeholders, forging positive relationships with local and provincial regulators, and educating the public. WCOWMA-BC’s operating budget is entirely funded through its programs and membership fees.



Industry training that will elevate your career.

Home Owners

View our excellent library of home owner resources.

Camps/Rig Sites

Guidance documents for work camps/rig sites.

Locate a Pro

Listings of those working in onsite wastewater.

Our Vision & Mission


Supporting members in the provision of safe and effective onsite wastewater management for British Columbians and the environment.


WCOWMA-BC leads the industry in providing accessible and practical training for onsite wastewater practitioners, and championing for a regulatory environment that allows practitioners to succeed through the responsible provision of onsite wastewater management for British Columbia landowners.

What We Do

WCOWMA-BC provides accessible, quality and recognized in-class education for onsite wastewater practitioners and other professionals, delivers practical in-field training sessions, hosts an annual onsite wastewater industry convention, communicates broadly to its stakeholders on issues that affect their businesses, advocates to local and provincial governments for reasonable standards and regulations that harmonize the needs of industry and the public, and educates landowners on proper practices for caring for their onsite wastewater system.


We operate and communicate in manners that foster trust and respect in all aspects of our industry.

We are straightforward and honest in our communication with all stakeholders.

We champion equitable and fair treatment for all members.

We welcome all stakeholders who wish to support efforts toward the betterment of the industry.

We empathize with the varied interests of our stakeholders, and work together to address issues that provide safe and effective onsite wastewater management.

Become a Member

Access membership benefits today, including training, marketing opportunities and our discount program incentives.

Join Us

The WCOWMA continues to grow, with its membership of onsite wastewater professionals increasing year over year.

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10% off work clothes at Mark's
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The WCOWMA Onsite Wastewater Management of BC (WCOWMA-BC) provides excellent industry training programs for Onsite Wastewater Practitioners and Professionals. The Onsite Wastewater Practitioner Training Program for industry certification is recognized in the Western Provinces through Alberta Municipal Affairs, the New West Partnership Agreement (formerly TILMA) and federally through the Agreement on Internal Trade.

As well as this industry certification program, the WCOWMA-BC offers individual field and classroom training sessions for continuing education purposes. For information on training opportunities in your area, contact the WCOWMA-BC office.

A list of available training opportunities, including course descriptions and registration is available through the WCOWMA-BC Store.


WCOWMA-BC provides information to homeowners both on its website and through its Septic Sense public education program.  Homeowners can access information on building a new onsite wastewater (septic) system, repairing and maintaining an existing system, and best practices for system operation.

Work Camps & Drill Sites

The guidance document Industrial Camp Regulation details acceptable site and soil evaluation criteria for temporary work camps and industrial sites that recognizes the unique challenges of this industry sector.


Each province provides a listing of those working in the onsite wastewater (private sewage, septic systems) registered with the program.  Information includes the region the person works in, their scope of work, contact information, and certification status.  A certification status of ‘yes’ means that the contractor and/or members in their company are trained and certified to provide the services listed under their scope of work.

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