Land Use History
FromFrom the late 1800s to the late 1900s, Heritage Harbor / Dynamo House was the site of an electrical plant owned by Narragansett Electric Company (today a National Grid company), which established the South Street Power Plant in 1884. The power plant was coal-based, and historical maps show three fuel oil tanks were located on the site. Historical maps from the mid-1900s show the additions of a coal-pulverizing plant, the 2000-Pound House, and three fuel oil tanks, suggesting that some of the boilers were oil rather than coal-fueled. , 2, 3
FromWhen the South Street Power Plant was decommissioned in 1997, the gatehouse, 2000-Pound House, oil tanks and chimneystacks atop the building were removed. , The northern parcel was also decommissioned at this time, and most electrical features associated with coal and fuel storage were removed . There was some localized soil removal and disposal, as well as capping with geo-synthetic fabric at a depth of around two to three feet. The northern parcel was also seeded to control wind-blown dust and encircled with a 10-foot fence.
FromIn 1999, Lot 430 of 360 Eddy Street was officially transferred to Heritage Harbor Corporation ownership. Today, the Heritage Harbor property includes the old Turbine Hall, a 200 psi Boiler House and a 400 psi Boiler House. The northern parcel, still owned by National Grid, the Narragansett Electric Company’s successor, continues to hold active electrical transformers and transmission lines at the southern end of the property .
Waterfront Property Contamination
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