Learning, Safety and a Message that Reached Across Ontario From September 14–18, Septic Awareness Week 2026 brought homeowners, industry professionals, municipalities, conservation organizations and media together around a message that matters year-round: understanding, maintaining and safely accessing an onsite sewage system helps protect people, property and water. Led by the Ontario Onsite Wastewater Association (OOWA) […]
Collaborative checklists and public education brochure respond to Chief Coroner Review recommendations and reinforce shared responsibility for septic safety. The Ontario Onsite Wastewater Association(OOWA), Concrete Precasters Association of Ontario (CPA), and the Ontario Association of Sewage Industry Services (OASIS), have developed two new septic system safety resources to help strengthen public awareness, clarify industry best […]
OOWA’s new Means of Detection guidance document helps ensure onsite sewage system components can be accurately located for future maintenance, repairs, and property development activities. The publication explains Ontario Building Code detection requirements and provides recommendations on the use of tracer wire, magnetic markers, and other locating methods. By improving the ability to identify buried system components, […]
Read More… from Another New OOWA Guidance Document: Means of Detection
This much-anticipated addition to OOWA’s Guidance Document Series, produced by the OOWA Onsite Technical Committee, provides practical information on greywater systems in Ontario, including regulatory requirements, design considerations, system configurations, and emerging trends in water reuse. […]
Read More… from New OOWA Guidance Document: Greywater Systems
On direction from the Board of Directors, OOWA struck a task group to review the proposed 2026 Ontario Building Code Part 8 changes related to Combined Treatment and Dispersal Systems. The task group brought together a cross-section of member perspectives from across the onsite wastewater industry, with a focus on helping ensure the proposed code […]
OOWA is pleased to share our 2026–2030 Strategic Plan with the membership. This plan represents a comprehensive planning effort by the Board of Directors, OOWA committees, and staff to define the Association’s priorities and direction for the next five years. Informed by Member Insight The development of the 2026–2030 Strategic Plan was informed by a […]
April 20, 2026 The Minister of Municipal Affairs and Housing has amended Ontario’s 2024 Building Code (OBC) to clarify requirements and create greater certainty in building permit and inspection processes. The following changes surrounding Part 8 of the OBC came into effect on April 20, 2026:1. Clarifying technical requirements for pipes when leaching chambers are used […]
When applying for an Ontario Building Code (OBC) sewage system permit, the OBC prescribed application forms satisfy regulatory requirements, but they do not capture the detailed technical information required to properly document and review a proposed sewage system. To address this gap, sewage system regulators across the province have developed their own methods for collecting […]
In this edition you’ll find: Redefining Rural Water Management in OntarioCode Change – Composting ToiletsNew feature – Onsite Bites (Microlearning articles)Installing Onsite Systems with Maintenance in Mind https://oowa.org/wp-content/uploads/2025/04/2025-OOWA-Convention-Newsletter-v4-Web-Spreads.pdf […]
Read More… from OOWA’s 2025 Convention edition of the Onsite Newsletter out now!
Interested in Sponsoring or Exhibiting at our Annual Convention & Expo? Click the picture to open the Information Package and learn more about all the exciting opportunities to showcase your brand and products! […]
