Wouda pumping station

The D.F. Wouda Steam Pumping Station (ir. D.F. Woudagemaal) is a pumping station in the Netherlands, and the largest still operational steam-powered pumping station in the world. On October 7, 1920 Queen Wilhelmina opened the pumping station. It was built to pump excess water out of Friesland, a province in the north of the Netherlands.

Wouda pumping station
UNESCO World Heritage Site
Official nameIr.D.F. Woudagemaal (D.F. Wouda Steam Pumping Station)
LocationTacozijl, Lemsterland, De Fryske Marren, Netherlands
CriteriaCultural: (i), (ii), (iv)
Reference867
Inscription1998 (22nd session)
Area7.32 ha (18.1 acres)
Buffer zone20.68 ha (51.1 acres)
Websitewww.woudagemaal.nl/en
Coordinates52°50′45″N 5°40′44″E
Location of Wouda pumping station in Friesland
Wouda pumping station (Netherlands)

In 1967, after running on coal for 47 years, the boilers were converted to run on heavy fuel oil. It has a pumping capacity of 4,000 m³ per minute, 1,000,000 GPM, 1,440 MGD. The pumping station is currently used to supplement the existing pumping capacity of the J.L. Hooglandgemaal in Stavoren in case of exceptionally high water levels in Friesland; this usually happens a few days per year.

-4 tandem compound, reciprocating steam engines, with poppet valves:

  • Single acting high pressure cylinder, 0.5 m diameter.
  • Double acting low pressure cylinder, uni-flow exhaust, 0.85 m diameter.
  • Stroke: 1.0 m
  • 500 Horsepower, 373 kilowatt

-8 horizontal, double suction, fabricated, centrifugal pumps: 500 m³ per minute, 125,000 GPM, 180 MGD:

  • rotational speed: 95 to 115 rpm, impeller diameter 1.70 m.

Since 1998 the ir. D.F. Woudagemaal has been listed on the UNESCO World Heritage Site list.

The station is open for visitors and tours are given regularly.

Location

The pumping station is located at Tacozijl just outside Lemmer

  • One of the steam engines running
  • Seaside face of the building
  • Aerial view
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