While this site has participated in Doors Open Ontario in the past, it is not part of the current season’s program. Please check the Home page for this year’s events and participating sites.

Lemieux Island Water Purification Plantin-person Doors Open Ottawa

  • In-person
  • 2024 theme: Adaptive reuse
  • Guided tours available
  • Kid-friendly
  • Washrooms
Lemieux Island Water Purification Plant

The Lemieux Island Water Purification Plant opened in 1932 and has maintained its architectural magnificence through 85 years of modernization. From the Queenston limestone exteriors to a gallery made of Hauteville marble, see where Ottawa purifies its world-class tap water. Parking is limited.

Contact info

1 Onigam Street
Ottawa, Ontario

Architecture

Year built: 1932

Architectural style:Art deco

Dates/hours open

Jun 06, 10:00am - Jun 06, 04:00pm

Saturday only: 10 a.m. to 4 p.m.; last tour at 3:15 p.m.; French tours at 11 a.m. and 2 p.m.