In 2001, Boston Harbor scientists released red dye to test how treated wastewater dispersed from the new outfall into Massachusetts Bay

For many years, Boston Harbour’s pollution stood as a stark reminder of environmental challenges. Engineers creatively employed red dye to evaluate a new wastewater outfall tunnel, determining that the treated water would disperse safely into the ocean. This innovative project ultimately contributed to cleaner beaches and reviving marine ecosystems, showcasing a significant step towards Boston Harbour’s revitalization.
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