Protect Your Pipes! The disposal of fats, oils, and grease, or F.O.G. has become an increasing concern in Markham, as flooding and sewer backups continue to be a major problem in houses and condos...

All hydrant flow tests are arranged by the Environmental Services (ES) Department and only the ES operations staff may operate Markham hydrants. Fire hydrant flow tests are available between April 15...

The City of Markham is committed to providing the highest level and quality of customer service. If a Waterworks service was recently provided at your property, please take a moment to provide us your...

Environmental Conservation

Markham’s Bird Friendly Guidelines have been developed to offer design-based solutions to make glass on buildings more visible to birds and avoid bird-window collisions.