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The Department of Environmental Protection (MassDEP) Combustion Facilities datalayer is a statewide point dataset containing active Municipal Solid Waste Combustion Facilities. All of these facilities have a resource recovery (energy generating) capacity to their combustion. These locations are a subset of the MassDEP Facilities with Air Operating Permits and BWP Major Facilities datalayers. In ArcSDE the layer is named BWP_PT_COMBUSTION. For the locations of former, inactive or demolished municipal solid waste incinerators, please see the BWP_PT_COMBUSTION_HISTORIC layer.
The Department of Environmental Protection (MassDEP) Historic Combustion Facilities datalayer is a statewide point dataset containing inactive or closed Municipal Solid Waste Combustion Facilities. None of these facilities had a resource recovery (energy generating) capacity to their combustion. They were often referred to as municipal solid waste incinerators. These locations will not be found in the MassDEP Facilities with Air Operating Permits, Combustion Facilities or BWP Major Facilities datalayers. In ArcSDE the layer is named BWP_PT_COMBUSTION_HISTORIC. For the locations of active municipal solid waste incinerators having a resource recovery component to their combustion, please see the BWP_PT_COMBUSTION layer.
The Solid Waste Land Disposal Datalayer was compiled by the Department of Environmental Protection (MassDEP) to track the locations of land disposal of solid waste. This statewide datalayer contains the majority of facilities currently regulated under MassDEP's solid waste regulations (310 CMR 16.000 and 19.000). Land Disposal refers to an operation established in accordance with a valid site assignment for the disposal of solid waste into or on land (Landfill), or a location for disposal of solid waste from one or more sources which is not established or maintained pursuant to a valid site assignment or permit (Dumping Ground). Polygons in the datalayer include both landfills and dumping grounds. Data are stored in ArcSDE as two layers - SW_LD_POLY (polygons) and SW_LD_PT (point feature class, with one point for each polygon). Please note, only a small fraction of the land disposal sites are active landfills. In addition, this datalayer does not contain all land disposal sites known to MassDEP. The MassDEP Bureau of Waste Site Cleanup and EPA Superfund Program manage former land disposal sites which fall under their regulatory purview. Waste site and mining classifications in the MassGIS Land Use Datalayer and Map Unit Symbols 652 and 652E in the Soils Datalayer may represent land disposal sites not found in the Solid Waste Land Disposal Datalayer.