About the Metropolitan former Manufactured Gas Plant Site

Gas used for cooking, lighting, heating and commercial purposes was manufactured and distributed at the Metropolitan Manufactured Gas Plant. A predecessor to the Brooklyn Union Gas Company began operating the Metropolitan site as an MGP in 1871. By 1904 the Brooklyn Union Gas company was operating the site.  The medium-sized facility produced gas until the 1930’s, at which time it was decommissioned and the site became used for storage. By the late 1940’s portions of the site had been subdivided and various parcels sold, and the remainder of the site was sold in the 1950’s. 


The 7.8 acre site has multiple parcels and owners, with the largest parcel having been developed as a Pathmark supermarket.  The eastern portion of the site was investigated under a Voluntary Clean-Up agreement by its then owner, the U.S. Postal Service, and subsequently developed into a Lowe’s store. All of the site is developed, either with buildings or paved parking lots.   National Grid has no liability with regard to the eastern portion of the site, but does for its western and southern portions. National Grid is responsible for the investigation and remediation of these portions of the site because it was operated by a predecessor company (Brooklyn Union) during the time MGP-related contamination occurred. 


This website provides information on the Metropolitan former MGP Site, the Remedial Investigation of the site, and opportunities for public participation. National Grid is committed to the protection and enhancement of the environment, always seeking ways to minimize the environmental impacts of our past, present and future activities. We hope this website, a part of our public participation and outreach efforts, is helpful and informative. If you need additional information or have suggestions to make our website better, please contact the individuals listed under Contacts.


For more information about the New York State Department of Environmental Conservation’s Manufactured Gas Plant Site program go to: http://www.dec.ny.gov/chemical/8430.html

Site News and Updates

Hotline Number Update

National Grid is committed to keeping the community informed of any activities at the site. We will continue to post updates on this project website. Please note that the National Grid Hotline for the Metropolitan former MGP Site has changed. Any questions pertaining to the site can be posed by calling the new number at (718) 982-7349.

National Grid is committed to updating neighbors of the Metropolitan former MGP site with information as it becomes available. Updates will highlight the work being done on and near the site, and provide a schedule for upcoming projects, including information about activities that may impact normal community activities.

All previous site updates will be located in the Key Documents tab under the Report Archive section.

Current Site Status

In March 2017, National Grid and its contractor conducted supplemental field work at the former Metropolitan MGP site.  The work took place inside the Hamilton Plaza Shopping Center in the location of the former Pathmark Supermarket.

The purpose of the field work was to determine if any contamination exists underground at the site and, if so, evaluate its distribution. Previous field work has found there is no contamination related to the former MGP operations at the ground surface. The New York State Department of Environmental Conservation (DEC) has stated that people at the site are not expected to come in contact with contaminants associated with the former MGP.

During the work period of about six weeks, National Grid’s contractor took samples from 15 soil borings. The work was completed as part of an approved Supplemental Remedial Investigation under the direction of the DEC.  A report of the results is in the review process.

National Grid is committed to keeping the community informed of our activities during this work.  We will continue to post updates online. Any questions can be posed by calling National Grid’s Hotline for the former Metropolitan MGP Site at (718) 982-7349.

Remedial Investigation field work commenced in late-March at the former Metropolitan Works MGP as part of the New York State Department of Environmental Conservation (NYSDEC)-approved Remedial Investigation Work Plan (RIWP).  The work includes the installation of soil borings, monitoring wells, test pit excavations, and indoor air and sub-slab soil vapor points to gather information required to determine the nature and extent of impacts at the former Metropolitan Works MGP. 

Activities Week of April 2– April 9:

Future (two week look - ahead) activities: