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Project Updates
Massachusetts Water Resources Authority


MWRA’s Capital Improvement Program consists of projects to modernize and improve the wastewater and waterworks systems serving 61 member communities in eastern and central Massachusetts. Projects range from upgrading treatment facilities to construction of new storage facilities to replacement of 100-year old pipelines.

Some of these projects take place within city streets and can have impacts on neighborhoods. MWRA’s Community Relations department works with municipal staff and residents to ensure good communications during these projects.

Regular updates on on-going projects can be found here:


Construction Projects

Communities Project Update
Newton Commonwealth Avenue Pump Station: MWRA Contract 7524 06/10/2019
Somerville Alewife Brook Pump Station
Rehabilitation Project: MWRA Contract 6797
Dedham Update for MWRA Southern Extra High Pipeline Project, Dedham North: MWRA Contracts 7504 and 7505 06/04/2019
Stoneham MWRA Northern Intermediate High Project in Stoneham: MWRA Contract 7067


Chestnut Hill Pine Tree Preserve Trail Project 08/08/2018

Archive of updates for completed projects


Projects in Design

Communities Project Update
Boston (Dorchester) Dorchester Interceptor Sewer Sections 240/241/242 Rehabilitation: MWRA Contract 7512 04/01/2019
Arlington, Belmont, Medford, Waltham and Weston MWRA - Update for WASM 3 Water Main Repairs: MWRA Contract 6539 10/10/2017
Boston, Newton and Watertown Sections 23, 24 and 47 Water Rehabilitation in Boston, Newton and Watertown (MWRA Contract 6385) 09/20/12017
Malden and Medford MWRA - Update on MWRA Contract 7540, Medford and Malden Water and Sewer Rehabilitation 09/13/2017

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Updated June 10, 2019