The Marianna Waterworks are located at 252 United States Route 79 in Marianna, Arkansas. The facilities at this location include an office building, two clear wells, one wellhouse, an aeration chamber, a water wheel, and a c. 1980 brick outbuilding and steel watertower. The main office building was built in 1936-37 with funding from the Public Works Administration, a Depression-era jobs program, while many of the other facilities were built c. 1930. The office building is rambling T-shaped structure, with sections that are either one or two stories in height. It is built of red brick in the then-popular Spanish Revival style.