Active Backflow Prevention Programs in Ontario
For an updated list of municipalities with active cross-connection control programs, kindly visit the Ontario Water Works Association’s Website.
If you have any inquiries about your municipality’s program, Spec-Mark is here to assist. We guarantee your compliance with all backflow prevention by-laws.
We Service the GTA & Surrounding Areas
Toronto, Markham, Richmond Hill, Vaughan, King, Halton Region, Peel Region, Barrie, Guelph, Hamilton, Kitchener, London, Durham Region, Niagara and more.

Spec-Mark your Backflow and Cross-Connection Specialists
YOUR TRUSTED BACKFLOW PREVENTION EXPERTS