SB205 Stormwater Discharge Compliance Does your business require a WDID, NEC or NONA to comply with California stormwater requirements?1) Does your business operate under any of these Standard Industrial Classification (SIC) codes or is included IGP Attachment A?Yes – Continue to step 2No – Apply for a Notice of Non-Applicability (NONA) identification2) Are business operations exposed to stormwater?Yes – Continue to step 3No – Apply for a No Exposure Certification (NEC) identification number3) Apply for a Waste Discharger Identification (WDID)Develop a Stormwater Pollution Prevention Plan (SWPPP)Submit a Notice of Intent (NOI) via the SMARTS database to apply for a WDID number4) Submit your WDID, NEC or NONA number to your city/county to complete the business license application. Need Help?We can help your business get on the right track. Free Consultation Start Your SWPPP Useful LinksWater Boards’ SB205 Compliance GuidanceSMARTS Discharger’s GuidanceState Water Board SB205 FAQs for BusinessesState Water Board SB205 FAQs for Cities/CountiesIndustrial General Permit Toolbox