Corps of Engineers March 19, 2001 start of Wachusett Aqueduct rehabilitation EPA permit to discharge effluent while repairing the Wachusett Aqueduct Court order and statement of facts about MWRA facilities External links Online Historic Water System Photos and Plans at mass.gov Aqueducts in Massachusetts Aqueducts in Middlesex County, Massachusetts Transportation buildings and structures in Worcester County, Massachusetts Historic districts in Middlesex County, Massachusetts Historic districts in Worcester County, Massachusetts National Register of Historic Places in Worcester County, Massachusetts National Register of Historic Places in Middlesex County, Massachusetts Aqueducts on the National Register of Historic Places Transportation buildings and structures on the National Register of Historic Places in Massachusetts Buildings and structures in Marlborough, Massachusetts