This is the Massachusetts Water Resources Authority map from 2016, which we believe has not changed as of 2023. It shows active CSOs as green dots. CSOs with 25-year level of control as orange dots, CSOs with treatment facilities as green dots with yellow outlines, and closed CSOs as red dots. There are six UNTREATEDContinue reading “MWRA CSO MAP”

MWRA Final CSO Performance Assessment Hearing Notification

Massachusetts Water Resources Authority PRESS RELEASE Date: January 6, 2022 Contact: Ria Convery (617) 788-1105, Public Briefing on MWRA’s CSO Post-Construction Monitoring and Performance Assessment, Final Report The Massachusetts Water Resources Authority (MWRA) will hold a virtual public briefing on the findings of its Combined Sewer Overflow (CSO) Post-Construction Monitoring and Performance Assessment on Thursday, FebruaryContinue reading “MWRA Final CSO Performance Assessment Hearing Notification”

MWRA 2021 Final CSO Performance Assessment

MWRA CSO Report is Unfair to Alewife’s Environmental Justice Populations On December 30, 2021, the Massachusetts Water Resource Authority (MWRA) published its anticipated Final CSO Performance Assessment, as part of a series of regulatory reports that have been submitted to the U.S. Environmental Protection Agency (EPA) and the Massachusetts Department of Environmental Protection. These reports areContinue reading “MWRA 2021 Final CSO Performance Assessment”