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The Statewide General Permit for Stormwater Discharges Associated with Industrial Activities, Order 2014-0057-DWQ (Industrial General Permit) implements the federally required stormwater regulations in California for stormwater associated with industrial activities discharging to waters of the United States. The Industrial General Permit regulates discharges associated with nine federally defined categories of industrial activities. The permit requires:

  • Implementation of best management practices (BMPs) to reduce the discharge of pollutants from industrial activities and sources at the site;
  • Preparation of a Storm Water Pollution Prevention Plan (SWPPP) and a monitoring plan, which identify the sources of site-specific pollutants and the means to manage them; and
  • An annual report must be submitted to the State Water Resources Control Board by July 1 of each year permit coverage is maintained.

Industrial facilities such as manufacturers, landfills, hazardous waste facilities, transportation with vehicle maintenance, larger sewage and wastewater plants, recycling facilities, and oil and gas facilities are typically required to obtain Industrial General Permit (IGP) coverage. Attachment A of the Industrial General Permit provides a complete list of facilities covered by the IGP. 

Effective January 1, 2020, Senate Bill 205 requires a person applying to the City for a new or renewed business license to demonstrate enrollment in the Industrial General Permit, if such a permit is required.  Prior to the issuance or renewal of a business license, the City of Santa Maria will request proof of coverage under the Industrial General Permit, typically by the applicant providing their business’ Stormwater Waste Discharge Identification (WDID) number or Water Board approval of a Notice of Non-Applicability (NONA).

A list of SIC codes potentially regulated by the Industrial General Permit is posted on the State Water Resources Control Board’s website, sorted numerically and alphabetically. The list of SIC codes is a tool to aid business owners and operators in identifying potentially regulated SIC codes; however, Attachment A of the Industrial General Permit ultimately defines the type of facilities that are regulated. If an industrial user’s primary SIC Code is listed as a potentially regulated SIC code, the user may need to enroll for coverage under the Industrial General Permit or provide proof of non-applicability to the City before the business license is issued or renewed.

To learn more about the Industrial General Permit, to see if your business requires IGP coverage, or to apply for IGP coverage please visit the California State Water Resources Control Board’s Industrial Stormwater Program website.