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Alewife Brook: MWRA's Final CSO Performance Assessment Vastly Understates Sewage Contamination

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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 are a requirement of the landmark Boston Harbor Cleanup Case.

What the MWRA Final CSO Performance Assessment Report Doesn’t Say:

Based on modeling, rather than real data, the report claims that there were a total of 6.26 million gallons of CSO discharge in the Alewife Brook in 2021.5 The reality is that in 2021 there was a total of 50 million gallons of sewage water discharge into the Alewife Brook. The true data is eight times worse than the MWRA’s modeled data. The MWRA’s CSO report is off by 43 million gallons!

Read more here:

https://savethealewifebrook.org/2022/01/02/mwras-2021-final-cso-performance-assessment/

 

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