tailwater

/ˈteɪlˌwɔtər/
noun
  1. The water in a river or canal just downstream from a dam, weir, or hydroelectric plant.
    • Engineers monitor the tailwater level to ensure the hydroelectric plant operates efficiently.
    • The tailwater below the dam stays cold year-round, making it a popular spot for trout fishing.
    • After the flood, the tailwater carried a lot of sediment downstream.
Antonyms
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