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  • Combined Sewer Overflow Control Planning Program - Joint efforts by Cambridge, MWRA, and Somerville

Draft CSO Control Plan

  • document icon Cambridge Cover Letter Draft Updated CSO Control Plan (267 KB) (pdf)
  • document icon Somerville Cover Letter Draft Updated CSO Control Plan (425 KB) (pdf)
  • document icon MWRA Cover Letter Draft Updated CSO Control Plan (682 KB) (pdf)
  • document icon DraftUpdatedCSOControlPlan (49.1 MB) (pdf)
  • document icon Appendices_DraftUpdatedCSOControlPlan (21.1 MB) (pdf)

Submitted Public Comments on Draft Plan

  • document icon Draft CSO Control Plan Comments 07-01-2026.pdf (1.89 MB) (pdf)

Executive Summary Translations

  • document icon Amharic - Executive Summary.pdf (394 KB) (pdf)
  • document icon Arabic - Executive Summary.pdf (514 KB) (pdf)
  • document icon Bangla - Executive Summary.pdf (486 KB) (pdf)
  • document icon Chinese Simplified- Executive Summary.pdf (616 KB) (pdf)
  • document icon Hatian Creole - Executive Summary.pdf (465 KB) (pdf)
  • document icon Portuguese - Executive Summary.pdf (357 KB) (pdf)
  • document icon Spanish - Executive Summary.pdf (452 KB) (pdf)