Comparison of General vs. Multi Sector NPDES Storm Water Permits

by William H. Espey, (M.ASCE),
John Whitescarver,
Michael Ports, (F.ASCE),

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


In November 1990, in response to the 1987 amendments to the Clean Water Act, the EPA initiated the National Pollutant Discharge Elimination System (NPDES) storm water permitting program. NPDES permits are required for all point source storm water discharges associated with industrial activity. To provide flexibility in acquiring a storm water discharge permit, EPA developed three permit application options. Industries could submit 1) an individual application, 2) a group application or 3) a notice of intent for a general permit. The group application option allowed industrial facilities with similar activities to jointly submit a single application for permit coverage (700 groups representing 40,000 facilities received EPA approval). Based on the group application information, EPA developed industry-specific multi-sector general permits to provide NPDES permit coverage for members of group applications. The pennit was promulgated on September 29, 1995 and was issued by EPA in the non-delegated states.

Subject Headings: Stormwater management | Permits | Water discharge | Water pollution | Environmental Protection Agency | Industries | Industrial facilities | United States

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