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Map - Combined Sewer Overflows (CSOs)
Massachusetts Water Resources Authority

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Map of Combined Sewer Overflow (CSO) outfalls and MWRA CSO Control Projects
Reflects work completed as of December 31, 2009

map of CSO outfalls and MWRA CSO Control Projects completed as of December 31, 2009

 

 

Updated September 16, 2010