West Washington Street Pumping Station is a historic pumping station located in Indianapolis, Indiana. It was built in 1870, and is a one-story, rectangular brick building. It was modified to its present form after 1909, and is 2/3 of its original size. It has a slate hipped roof topped by a square central tower and features distinctive brick detailing, and arched openings. The building served as the city's only water pumping station until 1890.