MORE INFORMATION CSO Main Page Boston Harbor Court Case South Boston CSO Storage Tunnel Project

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, Cambridge, Somerville and Chelsea.

 

 

 

CURRENT REPORT

2008 CSO Annual Progress Report (PDF - Released March 2009)

 

ARCHIVE
2007	2006	2005	2004