Have a specific question or situation regarding applicability? Check out these guidance documents:
• Is My Facility Required to Obtain the Industrial Stormwater General Permit? (4/15)
• Municipally-Owned and Operated Industrial Activities (4/15)
• Solid Waste Facilities - A guide to Minnesota’s Industrial Stormwater Permit (3/15)
• Guidance on the Industrial Stormwater Permit for Transportation Sectors (3/15)
• Guidance on the Industrial Stormwater Permit for the Air Transportation Sector (Sector S) (3/15)
How do I look up a SIC codes? What if I have a NAICS code?
• Find your SIC Code in the 1987 version SIC manual.
• If you have a North American Industrial Classification System (NAICS) code, enter it to find the applicable SIC code: HTML icon 1997 NAICS and 1987 SIC Correspondence Tables
• Convert NAICS code to a corresponding SIC code
Review additional guidance materials
• Industrial Stormwater Multi-Sector General Permit Frequently Asked Questions
• Industrial Stormwater Permit Guide