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  • National Pollutant Discharge Elimination System (NPDES)
    The NPDES permit program addresses water pollution by regulating point sources that discharge pollutants to waters of the United States Created in 1972 by the Clean Water Act, the NPDES permit program is authorized to state governments by EPA to perform many permitting, administrative, and enforcement aspects of the program
  • NPDES Permit Basics | US EPA
    What is an NPDES permit? The Clean Water Act prohibits anybody from discharging "pollutants" through a "point source" into a "water of the United States" unless they have an NPDES permit The permit will contain limits on what you can discharge, monitoring and reporting requirements, and other provisions to ensure that the discharge does not hurt water quality or people's health In essence
  • About NPDES - US EPA
    The NPDES permit program, created in 1972 by the Clean Water Act (CWA), helps address water pollution by regulating point sources that discharge pollutants to waters of the United States
  • NPDES Regulations | US EPA
    NPDES regulatory documents, fact sheets, and federal registry
  • NPDES Stormwater Program | US EPA
    The National Pollutant Discharge Elimination System (NPDES) stormwater program regulates some stormwater discharges from three potential sources: municipal separate storm sewer systems (MS4s), construction activities, and industrial activities
  • NPDES Permits around the Nation - US EPA
    Find National Pollutant Discharge Elimination System (NPDES) wastewater permits issued by EPA across the nation
  • NPDES Tools - US EPA
    To gain information on specific facilities with NPDES permits, several EPA public search tools may be helpful
  • NPDES Permit Limits | US EPA
    Effluent limitations serve as the primary mechanism in NPDES permits for controlling discharges of pollutants to receiving waters When developing effluent limitations for an NPDES permit, a permit writer must consider limits based on both the technology available to control the pollutants (i e , technology-based effluent limits) and limits that are protective of the water quality standards of


















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