Industrial stormwater

Industrial stormwater general permit, 2020-2025

PDF icon 2020 Industrial Stormwater General Permit (wq-strm3-67i)

File 2020-2025 Industrial stormwater sampling worksheet (wq-strm3-69)

MPCA is no longer accepting paper or email monitoring results. Use e-Services to submit your monitoring, however, it is not ready yet. Please do not attempt to submit via e-Services at this time - we will send an announcement when e-Services is available. 

You must retain your monitoring results until e-Services is ready. For tools to assist with tracking your monitoring results, visit Step nine in the steps to compliance.

Industrial Stormwater Permit Information Access

A searchable database to find detailed information about industrial stormwater facilities.

10 steps to compliance

Step 1: Applicability — do you need a permit?

Step 2: Consider certifying for No Exposure

Step 3: Assess for pollutants

Step 4: Create SWPPP, choose and implement BMPs

Step 5: Gather application materials before applying

Step 6: Apply, modify or terminate permit coverage / No Exposure certification

Step 7: Follow applicable permit /sector-specific requirements

Step 8: Annual requirements — employee training, reports and monthly inspections

Step 9: Sampling

Step 10: Submitting sample results


Program contact information