Tide Mill Institute





Tide Mill Conference

The New England coastline was once the home of hundreds of tide mills, but this technology has now passed into history.

A tide mill is a water mill that is driven by the power inherent in the tides.  A dam is created across a suitable tidal inlet or a section of a river estuary to form a mill pond reservoir.  As the tide comes in, it enters the pond through a one-way gate, which closes automatically when the tide begins to fall.  When the tide is low enough, the stored water can be released to turn a water wheel.  Tide mills have existed since the Middle Ages.

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