Milldam

A mill dam (International English) or milldam (US) is a dam constructed on a waterway to create a mill pond.

Water passing through a dam's spillway is used to turn a water wheel and provide energy to the many varieties of watermill. By raising the water level so that the overflow has farther to fall, a milldam increases the potential energy that a mill can harness and use for various tasks.

Examples

Listed are here are some of the many examples of historic milldams and millponds (or place names taken from them).

Examples in the United Kingdom include:

Examples in the United States include:

Mill Dam

Mill Dam, Shapinsay is a wetland in western Shapinsay, in Orkney, Scotland.

This water body was not shown on the 1840 survey map of the island, since it is a man-made creation from a damming in the 1880s. Mill Dam is fed by a stream flowing from the north that rises on the western lobe of Shapinsay. The pH levels of the outflow stream of Mill Dam are moderately alkaline, in the range of 9.18. The Mill Dam wetland is a significant bird habitat and is owned and managed by the Royal Society for the Protection of Birds.

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Coordinates: 59°2′31″N 2°53′46″W / 59.04194°N 2.89611°W / 59.04194; -2.89611