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Massachusetts Water Resources Authority


First Post:

September 20, 2017

September 12, 2017


Jeff McLaughlin
(617) 305-5762,

Update for WASM 3 Water Main Repairs
(MWRA Contract 6539)

Proposed WASM 3 project plan and location

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About this Project:

This project is in design. Planned work includes the rehabilitation of MWRA's WASM 3 (Weston Aqueduct Supply Main 3). The project will include cleaning and relining the aqudeduct to restore its full capacity. Work will also include the replacement of water pipe as needed and possible valve work.

For more information, please contact Jeff McLaughlin at (617) 305-5762, or by email at

Project Updates

10/10/2017 Update

Soil Boring Activity in Waltham

The Massachusetts Water Resources Authority (MWRA) is planning to upgrade water transmission
pipes in Waltham. As part of the design effort, MWRA has hired CDM Smith, Inc. and other firms to
perform sub-surface exploration activities on/near existing pipelines. The soil boring activities involve blocking off a small area of the road with a support truck and a boring rig, drilling down to a depth of 15 to 25 feet and removing the soil samples. At each location, the work is estimated to take 4-5 hours. MWRA has 49 sites planned for Waltham. The boring locations are shown in the table and overview plan (PDF). Notification letters will be sent to abutters. Work will begin on or after October 6, 2017 and will occur between 7AM and 4PM. Construction Zone Safety Plans, including local police details, will be provided for traffic control, and ensuring worker and general public safety in each area.

If you have any concerns or questions, please contact: Jeffrey McLaughlin, MWRA: (617) 305-5762 or via email at

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09/20/2017 Update

Information has been submitted for work going on in Arlington and Belmont.  Staff will be conducting borings in Medford on DCR land and in Waltham, date TBA.

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Updated: October 10, 2017
Original Post: September 12, 2017