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CSO Control Program Annual Progress Reports
Massachusetts Water Resources Authority

 

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CSO Main Page
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Below is the most recent CSO Control Program Annual Report and an archive of past reports.

Visit the MWRA CSO Main Page for more information about Combined Sewer Overflows and efforts to control them in Boston, Brookline, Cambridge, Chelsea and Somerville.

 

CSO Annual Prograss Report for 2013 Current Report


CSO Control Program Annual Progress Report for 2013
Released March, 2014
 
cso annual report for 2012 cover Archive


2012 | 2011 |2010 | 2009| 2008| 2007| 2006 | 2005| 2004
 

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Updated March 18, 2014