The D.F. Woudagemaal, which was put into operation in 1920, is the largest steam-driven pumping station still operating in the world today. It was built to drain off surplus water in the Friesland Boezem (reservoir or polder drainage pool). Originally coal-fired, it was converted to oil in 1967. It is now used as an auxiliary pumping station. The pumping station is named after its chief designer Dirk Frederik Wouda (1880-1961). From an architectural and technical point of view the pumping station is a well-maintained monument dating from the later period of the steam age. The architecture of the brick building is functional.

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