MWRA’s wastewater is treated at the Deer Island Wastewater Treatment Plant in Boston. Visible when arriving or departing Logan International Airport, the egg shaped digesters are now a familiar feature of Boston Harbor after the plant came online in 2001.
For more information on Deer Island, visit the MWRA’s website here: https://www.mwra.com/01news/2008/bhpenvironentalsuccess/bhpenvsuccess.htm