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Ontario Sewer & Watermain Construction Association
On behalf of our members, the OSWCA will champion the sewer and watermain industry to promote the delivery of clean water and safe wastewater management through advocacy, education and environmentally sustainable practices to enhance the quality of like for all Ontarians. We will foster health and safety, professionalism, ethical practices, sound infrastructure investments, good governance and fiscal responsibility.

The OSWCA is a champion of environmental protection and best practices in safety and water system management. We have represented the sewer and watermain construction industry in Ontario since 1971. We represent over 750 companies across Ontario including contractors, manufacturers, distributors and consulting engineers.

The OSWCA membership is structured by ten local associations, two pipe producers and one independent association. Collectively, we perform over $1 billion a year in capital projects to ensure clean safe drinking water and environmentally responsible wastewater treatment and disposal.
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Build positive working relationships with politicians and bureaucrats at all levels of government. A strong steady voice in order to adequately address policy decisions, regulations and legislation affecting our industry. Keep members informed of relevant proposed legislation and regulatory changes affecting our industry.
H2OSWCA is published several times throughout the year and provides timely information and articles related to OSWCA business and industry issues. You can access the current iss below and past issues of H2OSWCA by selecting an issue from the archive list. Advertising opportunities are available in the H2OSWCA tri-annual magazine and the annual OSWCA Membership Directory.
The Gold Seal Certification Program is available to professionals in construction management roles, for example, estimators, superindendents, project managers, construction managers and health & safety coordinators. To apply to this program and write the Gold Seal exam, applicants must have a combination of industry related experience, education and training.
Reviews (1)
Lawrence Frias
Lawrence Frias
Jun 28, 2017
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The GTSWCA is an active organization providing support to sewer and watermain contractors across the GTA. I have a seat on the Young Executives committee and our company has been an active member for over 10 years. I am proud to be affiliated with a such a great group of hard working individuals who ensure it's members deliver quality and safe construction services to the communities we work and live in.