Drinking water consumption dial
Population served
More than 29,000 people
Located in Notre-Dame-de-l'Île-Perrot, the Régie de l'eau supplies drinking water to residents of the municipalities of Pincourt, Terrasse-Vaudreuil and Notre-Dame-de-l'Île-Perrot. The Town of L'Île-Perrot has its own drinking water supply system.
| By-Law 841-03: Aqueduct Water Use (PDF in French only) | |
| Your lawn is yellow, wait before watering it (PDF) | |
| The 10 stages of water treatment (PDF in French) |
- In 2018, the average residential water consumption was 286 litres per person per day (L/person/day).
- According to the most recent report (October 2024), it has dropped to 192 L/person/day — a significant decrease and well below the 2025 target of maintaining around 220 L/person/day.
A quick seasonal reminder: A yellowing lawn in summer is not dead, but simply dormant. It will naturally turn green again when weather conditions become more favourable.
Thank you all for helping to manage our most precious resource — water — in a responsible and sustainable way.