" A water channel is like a passage dug into the ground to send water from one location to another for farmers to use to water their crops. Water levels in channels can change very quickly. Heavy gates let water in and out of the channels causing the water levels to rise and fall. The sides of water channels are often very steep and algae present in the water can make the sides of the water channels slippery. Just like dams and weirs, there
are also pipes under water in channels that cannot be seen from the surface."
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