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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
Quincy Nut Island Odor Control and HVAC Improvements: MWRA Contract 7548 01/05/2022
Arlington, Medford and Somerville Weston Aqueduct Supply Main Rehabilitation (WASM) - Arlington, Medford and Somerville: MWRA Contract 6544 01/05/2022
Boston, Newton and Watertown

Sections 23, 24 and 47 Water Rehabilitation in Boston, Newton and Watertown


Archive of updates for completed projects

State Revolving Fund projects

Projects in Design

Communities Project Update

Metropolitan Water Tunnel Program

Updated Regularly

Quinapoxet Dam Removal (Contract 7347)

Arlington, Belmont, Newton and Watertown

WASM 3 - Intermediate High Pipeline Improvements Project- Watertown, Belmont, Arlington and Newton: MWRA Contract 6955

WASM 3 Water Main Repairs: MWRA Contract 6539

Lynn and Revere MWRA - Update for Section 56 Saugus River Crossing Project (Contract 7454) 04/22/2020
Malden and Medford MWRA - Update on MWRA Contract 7540, Medford and Malden Water and Sewer Rehabilitation 09/13/2017

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Updated January 11, 2022