Barrage de la Châteauguay-1 is a Hydraulic construction located in Châteauguay; Roussillon, Quebec.

• Latitude: 45° 21' 5'' North   (decimal: 45.3514286)
• Longitude: 73° 44' 32'' West   (decimal: -73.7420935)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Châteauguay; Roussillon
• Atlas of Canada Locator Map: Barrage de la Châteauguay-1
• GPS Coordinate Locator Map: Barrage de la Châteauguay-1 Lat/Long