A weir is a low-rise dam or simply a wall built across a river to raise the water level. When water goes over the weir, it rushes downstream like in a waterfall.
A waterfall hard to see from above, with dangerous recirculating water below
How to stay safe near weirs
- Never go near a weir.
- Obey all warning signs and never cross booms.
- Don’t go fishing at the bottom of a weir, and always obey the warning signs.
Video: Staying safe near a weir