| #Q001 | administrative | unknown | recommended | Evaluating SIC Code Permit Coverage | other | When evaluating whether a facility is required to obtain coverage under the Industrial General Permit on the basis of its SIC code, please consider any applicable footnote at the bottom of this webpage. | When evaluating whether a facility is required to obtain coverage based on its SIC code | high |
| #Q002 | administrative | unknown | guidance | Regional Board Discretionary Permit Coverage Requirements | other | Additionally, per Industrial General Permit section XIX and Code of Federal Regulations, title 40, section 122.26(a)(9)(i)(D), a Regional Water Quality Control Board may require a facility to obtain permit coverage even if it is not otherwise required to do so if the Regional Water Quality Control Board determines that the facility’s discharge contributes to a violation of water quality standards or is a significant contributor of pollutants to waters of the United States. | If the Regional Water Quality Control Board determines that the facility's discharge contributes to a violation of water quality standards or is a significant contributor of pollutants to waters of the United States | high |
| #Q003 | administrative | unknown | mandatory | Livestock and Agricultural Facility Coverage Scope | other | The facility is regulated only if it has other activities on-site that are subject to the requirements of 40 Code of Federal Regulations, Chapter I, Subchapter N, Part 412, Subparts A, C, or D. Only the portions of the facility involved in those activities are regulated. | Facilities classified under specific general livestock or agricultural SIC codes (Footnote 2) | high |
| #Q004 | administrative | unknown | guidance | Mining Facilities Coverage Exemptions | other | Facilities not regulated by the Industrial General Permit include (1) areas of coal mining operations no longer meeting the definition of a reclamation area under 40 Code of Federal Regulations 434.11(1) because the performance bond issued to the facility by the appropriate Surface Mining Control and Reclamation Acts authority has been released; (2) areas of non-coal mining operations which have been released from applicable State or Federal reclamation requirements after December 17, 1990; (3) sites where mining claims are being maintained prior to disturbances associated with the extraction, beneficiation, or processing of mined material; and (4) sites where minimal activities are undertaken for the sole purpose of maintaining a mining claim. | Facilities classified under specific oil, gas, or mining SIC codes (Footnote 5) | high |
| #Q005 | administrative | unknown | mandatory | Transportation Facilities Coverage Scope | other | The facility is regulated only if it has vehicle maintenance shops, equipment cleaning operations, or airport deicing operations, and only the portions of the facility involved in vehicle maintenance (including vehicle rehabilitation, mechanical repairs, painting, fueling, and lubrication) are regulated. | Facilities classified under specific transportation SIC codes (Footnote 6) | high |
| #Q006 | administrative | unknown | mandatory | Steam Electric Power Generating Facilities Coverage | other | Only facilities that generate steam for electric power through the combustion of coal, oil, wood, etc. are regulated by the Industrial General Permit. | Facilities classified under Electric Services SIC code 4911 (Footnote 7) | high |
| #Q007 | administrative | unknown | mandatory | Sewage or Wastewater Treatment Works Coverage Criteria | wastewater, other | The facilities regulated by the Industrial General Permit are facilities used in the storage, treatment, recycling, and reclamation of municipal or domestic sewage, including land dedicated to the disposal of sewage sludge, that are located within the confines of the facility, with a design flow of one million gallons per day or more, or required to have an approved pretreatment program under 40 Code of Federal Regulations part 403. | Facilities classified under Sewerage Systems SIC code 4952 (Footnote 8) | high |
| #Q008 | administrative | unknown | mandatory | Refuse Systems Coverage Conditions | other | Facilities classified under this SIC code are regulated by the Industrial General Permit if they conduct activities described in the Industrial General Permit, Attachment A, category 4, “Hazardous Waste Treatment, Storage, or Disposal Facilities,” or category 5 “Landfills, Land Application Sites, and Open Dumps.” | Facilities classified under Refuse Systems SIC code 4953 (Footnote 9) | high |
| #Q009 | administrative | unknown | mandatory | Recycling Facilities Coverage Scope | other | Only facilities involved in the recycling of materials, including metal scrapyards, battery reclaimers, salvage yards, and automobile junkyards are regulated by the Industrial General Permit. | Facilities classified under Recycling Facilities SIC codes 5015 or 5093 (Footnote 10) | high |