WQ commerce and industry compliance assistance and guidance

• Operator certification program.
• Spill reporting.
• CDPS discharge permitting requirements for stormwater discharges.

Compliance forms

• COG607000 Outdoor Washing - Heat transfer coil washing BMP compliance form.
• Permit and compliance forms that apply to all permit types.

  ​Includes change of contact, narrative conditions, effluent data submittal, influent data submittal, modification, and transfer of permit.

• NetDMR reporting information.
• COR900000 DMR assistance memo.
• Industrial stormwater permit inspection - example tracking form.
• Industrial stormwater permit visual monitoring- example tracking form.

Annual report forms

• Non extractive annual report form (COR900000) for the year ending December 31, 2023
• Non extractive annual report form (COR900000) for period beginning Jan 1, 2024
• Metal mining stormwater COR040000.
• Sand and gravel industry COG500000.

Guidance documents

• HTE/commercial washing of outdoor structures.
• NPDES Permit COR900000:
  • ​​Questions and answers.
  • Corrective actions guidance document.
• EPA Industrial Storm Water Fact Sheet Series.
• Utility Vault Dewatering Discharge Guidance: This document is currently being updated to reflect the changes in the recently issued dewatering permits.
• Sand and Gravel Industrial Activities Corrective Actions Guidance Document.
• AIM tool for COR900000. *This file will automatically download to your device. Please enable editing, and if the file is blocked, click learn more follow the instructions. 

Stormwater management plan guidance

• Non-Extractive Industrial Activities Stormwater Management Plan guidance.
  • SWMP checklist.
  • Potential pollutants.
  • SWMP Appendices A-C.
• Sand and Gravel Industrial Activities Stormwater Management Plan guidance.
• Metal Mining Industrial Activities Stormwater Management Plan guidance.

Sampling guidance

• Industrial Stormwater Monitoring and Sampling Guide (EPA).
• Automatic Sampler Guidance (EPA).

• How to collect an industrial stormwater GRAB sample(4:13 minutes).
• How to collect an industrial stormwater sheet flow sample(5:47 minutes).
• How to identify and confirm benchmark monitoring locations(8:20 minutes).

Discharge without a permit - policies and guidance documents

• Low-Risk Discharges, Water Quality Policy 27.
• Snow melting guidance.
• Swimming pools low-risk guidance.
• Hot springs guidance on discharge coverage.
• Hot Springs low-risk guidance.
• Discharge of potable water guidance.
• Discharge of uncontaminated groundwater to land guidance.
• Discharges of surface cosmetic power washing operations to land guidance.
• Discharges from potable water monitoring devices guidance.
• Discharge from Water-based Fire Suppression Systems, Clean Water Policy 5.
  • Guidance for discharges associated with fire suppression systems.
  • Notice for Fire Suppression Dischargers 1-15-2015.
• Reporting of Surface Water Discharge Associated with Residential and Landscape Irrigation Clean Water Policy 7.