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NPDES Permits
pplicants for National Pollutant Discharge Elimination System (NPDES) permits covering new or expanded industrial project construction must submit information on the proposed construction. The information must describe the proposed or expanded process and its relationship to the existing facilities. The EPA will use the information to determine if new source performance standards (NSPS) apply to the new construction. The New Source Determination (NSD) establishes whether or not the proposed construction is subject to environmental assessment under the National Environmental Policy Act of 1969, as amended (NEPA). These regulations and definitions are found in Sections 306 and 511(c) of the Clean Water Act and 40 CFR Parts 6, 122.2, and 122.29.
For more information, send inquires to Hector Pena at pena.hector@epa.gov.