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5045 Orbitor Drive, Unit 12, Suite 400 & 300 Mississauga, ON L4W 4Y4
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5045 Orbitor Drive, Unit 12, Suite 400 & 300 Mississauga, ON L4W 4Y4
Explore timely updates, industry insights, and essential announcements tailored to our members and stakeholders. From regulatory changes to project developments and association events, we ensure you're informed about all facets shaping the sewer and watermain contracting industry in the Greater Toronto Area. Stay ahead with GTSWCA by checking back regularly for the latest news.

Province Proposes Changes to “Open Periods” Under Labour Relations Act
The government has posted a proposal under Bill 105, Protecting Ontario’s Workers and Economic Resilience Act, 2026 to amend the Labour Relations Act by shortening the construction industry “open period” from the current two months to one month. The consultation…

Open Letter to Public Buyers on Buy Ontario Directive
Together with the Ontario Sewer and Watermain Construction Association (OSWCA), Toronto and Area Road Builders Association (TARBA), Heavy Construction Association of Toronto (HCAT), and Ontario Association of Foundation Specialists (OAFS) we have written a open letter regarding implementation of the…

Ontario ERO Proposal 026-0415 – What it could mean for Construction & Development
The Ontario government has now opened its proposed Environmental Assessment Act Amendments to improve the comprehensive environmental assessment process for public comment until May 20th. The ERO proposal (026-0415) is part of the government’s broader package of planning and development…

What to know about the ‘Buy Ontario’ Policy
Beginning in May, members are likely to notice new questions, forms, declarations, and attestation requirements appearing in municipal procurement documents across Ontario. These changes are being driven by the Province’s new Municipal “Buy Ontario” Procurement Directive (attached), which is directing…

Federal-Provincial Infrastructure Funding for DC Reduction Model
Last week, the federal and provincial governments announced a new housing partnership that will directly affect how infrastructure is funded across Ontario. The agreement aims to encourage municipalities to reduce development charges (DCs) by 50% over the next three years…

MTO Consultation on Harmonization of Municipal Road Construction Standards
The Ontario Sewer and Watermain Construction Association (OSWCA) represents over 800 member companies across the province. Our members construct, rehabilitate, and supply materials for core municipal infrastructure projects (i.e. water, wastewater, stormwater, road, bridge, etc.) throughout Ontario’s 444 municipalities. The…

Notice of Study Commencement – Town of Stouffville Stormwater Management Master Plan
The Town of Stouffville is creating a Stormwater Management Master Plan to develop a preferred strategy for the effective management of stormwater. The Master Plan will help identify and prioritize areas of concern and create a plan for cost-effective and…

Upcoming Changes to Utility Locate Validity Rules – Effective November 1st
Ontario is introducing a new regulation under the Ontario Underground Infrastructure Notification System Act (One Call Act) that will allow, in limited circumstances, the continuation of a locate beyond its normal validity period without submitting a full new locate request.…

OSWCA Advocacy Day at Queen’s Park: Building the Foundation for Ontario’s Future
Build infrastructure. Build certainty. Build faster. Keep people working. On November 4th, the Ontario Sewer and Watermain Construction Association (OSWCA) hosted a successful Advocacy Day at Queen’s Park, meeting with provincial officials and policymakers to discuss how we can work…

2025 GTSWCA Scholarship Winners
The GTSWCA is pleased to announce the recipients of its 2025 Scholarship Program. The intent of this award program is to help students meet the demand of rising tuition rates in a wide variety of programs and schools across the…
