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Cemetery Brook Drain Tunnel Project

 

Welcome to the Cemetery Brook Drain Tunnel Webpage

The City of Manchester is investing over $360 million in a cleaner future with the Cemetery Brook Drain Tunnel Project. In collaCity of Manchester Department of Public Works CBDT Project Logoboration with the U.S. Environmental Protection Agency and the New Hampshire Department of Environmental Services, this project will reconstruct our current drainage system to reduce combined sewer overflows that can discharge into the Merrimack River after heavy rainfall. This project will significantly improve water quality of the Merrimack River now and into the future.

This homepage is intended to keep Manchester residents informed about the project's progress, upcoming road closures, and any construction activities that may affect the community. You can also explore the project's history and watch our video to learn more about this exciting initiative and how its shaping our community's future. 

Contact a Team Member

Phone Number: 603-792-5384
This voice mailbox is reviewed by a team member on a daily basis. Please leave a detailed message with your name, phone number and address and we will return your call as soon as possible. Thank you! 

Email: cbdtunnel@manchesternh.gov
This inbox is reviewed by a team member on a daily basis. Please send a detailed message with your name, phone number, address and include the best way to respond to your inquiry and we will contact you as soon as possible. Thank you! 

Cemetery Brook Drain Tunnel Project Announcements

Temporary Closure of the Riverwalk

Published: 08/01/2025 3:35 PM

Construction Notice: Temporary Closure of the Riverwalk

August 19–23, 2025 | 7:00 a.m. – 5:00 p.m. Daily

Methuen-Obayashi, contractor for the Department of Public Works Environmental Protection Division, will temporarily close part of the Riverwalk for the Cemetery Brook Drain Tunnel Project. 

Closure Details:

  • Dates: Monday, August 19 through Friday, August 23, 2025
  • Hours: 7:00 a.m. to 5:00 p.m. daily
  • Location: Fisher Cats Stadium south to Dunbar Street

What to Expect:

  • The affected section of the Riverwalk will be closed during work hours.
  • Signs will direct pedestrians and cyclists around the area. 

Please plan ahead and avoid the zone whenever possible. Thank you for your cooperation. 

Sincerely,
Environmental Protection Division
Department of Public Works
City of Manchester

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