Water is very cold.
Water moves very fast and can sweep you away before you have a chance to get out.
Others can be pulled in trying to rescue you.
Ditch and canal bottoms can contain hazards or debris that are dangerous and can snare you.
Canal banks and irrigation structures are private property
Banks can be steep and slick
Canal banks can be unstable, soft or even undermined
Irrigation water may contain chemicals and bacteria or other things that would not be safe to consume
These makeshift structures may be unsafe or can collapse injuring people and putting debris in the canal which may damage pumps or other property
Signs warn of danger
Signs can keep you safe