O’Malley on Pipeline: ‘This is the Biggest Issue in Southwest Boston’ By Chris Helms on May 11, 2015 O’Malley on Pipeline: ‘This is the Biggest Issue in Southwest Boston’ City Councilor Matt O’Malley, District Six, speaks at a JP Forum teach-in about the West Roxbury Lateral Pipeline, Monday, May 11, 2015. A crowd of more than 100 — including a strong JP contingent — gathered Monday to learn more about a proposed gas pipeline that would run beside an active quarry in West Roxbury.