The Thornhill Water System serves customers in Thornhill, from the Copper Mountain Subdivision through the Queensway, Churchill Drive and bench area. The system relies on:
- Two deep wells in the Copper Mountain Subdivision,
- A reservoir on the hillside along Old Lakelse Lake Road,
- A reservoir on Thornhill Street,
- A booster station mid-way up the bench along Old Lakelse Lake Road,
- A smaller reservoir and fire pump at the Thornhill Junior High School,
- Water mains of 100 mm to 300 mm diameter.
Water Advisories and Alerts information can be found by clicking the Alert Banner.