Friends of the Reservoirs was an activist group in Portland, Oregon, that opposed plans by the City of Portland to cover or bury open-air water reservoirs on Mt. Tabor and in Washington Park. The organization was founded in late 2002, in response to plans to replace the reservoirs with underground tanks to protect water quality from contaminants or terrorist attacks. The group was successful in convincing the city council to delay plans to bury the reservoirs in 2004. The group also protested the city government's later efforts to cover or disconnect the reservoirs in compliance with a federal order. In 2015, the Portland Historic Landmarks unanimously approved a plan to disconnect the reservoirs, though the Mt. Tabor reservoirs remained filled with water for scenery purposes.

Sources: "Mt. Tabor Group Fights Burying Reservoirs," by Scott Learn, Oregonian, December 1, 2002, page D2; "City Backs Off Reservoir Burial," by Angie Chuang, Oregonian, June 9, 2004; "Deep end of a controversy," by Andrew Theen, Oregonian, December 22, 2014, page A1; "Plan to disconnect reservoirs advances," by Andrew Theen, Oregonian, February 10, 2015, page A3; "Beloved Mount Tabor reservoir to be refilled this winter after sitting empty for years," by Jamie Hale, Oregonian, November 29, 2023, page A2.