Discharge Monitoring
Monthly monitoring results from DITP and Combined
Sewer Overflow facilities are summarized in these tables
submitted to regulators. (PDF)
Annual Status of Plant Maintenance A report on the implementation of a long-range operations and maintenance
plan for the Deer Island Treatment Plant required by the NPDES permit.
Outfall Monitoring Overview (PDF)
After a decade of moving discharges of treated wastewater from the Harbor to Massachusetts Bay, monitoring has shown only limited, localized effects on the Bay, and great improvements in the Harbor.
Ambient Monitoring
Report (PDF)
List of ambient monitoring reports published in the last quarter. Includes links to technical reports and other required documents.