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Large Onsite Sewage System Design (>10,000 l/d)

  • November 17, 2026
  • November 18, 2026
  • 2 sessions
  • November 17, 2026, 9:00 AM 4:00 PM (EST)
  • November 18, 2026, 9:00 AM 4:00 PM (EST)
  • RJ Burnside, 6990 Creditview Rd, Mississauga ON L5N 8R9
  • 8
  • 8 registrants

Registration

  • Registration includes morning break coffee and muffins, lunch and drink, course materials and instruction. If you are a member of the OBOA, you may be entitled to receive the OOWA Member pricing. Please email op-coordinator@oowa.org to confirm.
  • Registration includes morning break coffee and muffins, lunch and drink, course materials and instruction. If you are a member of the OBOA, you may be entitled to receive the OOWA Member pricing. Please email op-coordinator@oowa.org to confirm.
Register

This 2-day course provides a comprehensive overview of large onsite sewage system design and the Ministry of the Environment, Conservation and Parks Environmental Compliance Approval (ECA) process. Participants will review wastewater flow estimation, treatment system selection, and water resource impact assessments, with a focus on protecting groundwater and surface water in sensitive environments. The course also covers the MECP pre-consultation process, key design considerations, and how to prepare and review ECA applications. Designed to build on Level 1 and Level 2 training, it equips professionals with the knowledge needed to navigate regulatory requirements and develop effective large system designs.

This course may qualify for continuing education credits (e.g for PEO or OBOA). Please check with your association to confirm.

Suggested Pre-Requisite: Five-Day Part 8 Licensing Course or equivalent experience

Course Instructor: Michael Varty, EnVision Consultants Ltd.

Registration deadline is November 11, 2026.

Cancellation Policy:

Upon written request to op-coordinator@oowa.org, refunds will be issued in accordance with the following:

Request received at least 7 days prior to the event: refund less a $25.00 cancellation fee

Request received 2-6 days prior to the event: refund after the event occurs. If the spot is filled, a $25 cancellation fee applies. If the spot is not filled, a $50 cancellation fee applies.

Request received less than 2 days in advance: refund at the discretion of the Operations Coordinator.

Ticket transfers will be honoured in the following way: members may send alternate members at no additional cost. Members may send alternate non-members for an additional fee in accordance with ticket pricing. Non-members may send alternate members; however, a refund will not be issued for the difference in ticket price.