Boating Coach
On the waterQuestion 305 of 566

Why are low-head dams so dangerous?

  1. They make very large waves.
  2. They always stop the engine.
  3. They block radio signals.
  4. Currents circle and trap boats against the dam.
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Correct answer: Currents circle and trap boats against the dam.

The water below pulls objects back toward the dam again and again.

Source: Safe Boating Guide (TP 511E, 2026), Safety around dams and weirs, page 40

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Questions last reviewed: 18 October 2026