President Neil Gamble said the society had acquired the 1920s switchboard and one of the old Citroen pumps from the station.
The switchboard was already on display when the Taieri Historical Park opened for the season last weekend, and it is hoped the old 6 tonne pump would also be displayed soon.
''We spent quite some time negotiating with the Otago Regional Council to get the switchboard and pump.
''They were instrumental in bringing the Taieri from swampland into the dairying pastures they are today.
''It's a vital piece of the Taieri's history.''
Mr Gamble said the pumping station was the largest of its kind in the southern hemisphere when it was built in the 1920s.
The scheme used three large Citroen pumps to extract water from 120km of drains across the West Taieri.
''They weighed about 6 tonne and operated with a 75hp electric motor. There were three of them - we have one, one is still on site but not in operation, and the other is in storage.
''They've now been replaced.''
The Waipori Pumping Station relics are not the only pieces of Taieri history on display at the park.
The society has been collecting Taieri memorabilia since 1970, and displays include colonial furniture, porcelain, jewellery, books, photos, silverware, costumes, artworks, kitchenware, farm equipment and architectural antiques.
At-risk heritage buildings have also been moved to the park for display, including the early Outram courthouse, the jail, school, steam engine shed, Berwick Church, an early public telephone box, a large windmill and the 1930s Mosgiel Electricity house.
The park is open on Sunday afternoons.
