General Permit No.: OHR000006 Page 2 of 146 NPDES MULTI-SECTOR GENERAL PERMITS FOR STORM WATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY TABLE OF CONTENTS 1. Coverage under this Permit. .............................................................................................6 1.1 Eligibility. ....................................................................................................................................................... 6 1.1.1 Facilities Covered..................................................................................................................................... 6 1.1.2 Allowable Storm Water Discharges. ........................................................................................................ 6 1.1.3 Allowable Non-Storm Water Discharges. ................................................................................................ 7 1.1.4 Limitations on Coverage. ......................................................................................................................... 7 1.1.4.1 Discharges Mixed with Non-Storm Water. ..................................................................................... 7 1.1.4.2 Storm Water Discharges Associated with Construction Activity. ................................................... 7 1.1.4.3 Discharges Currently or Previously Covered by Another Permit. .................................................. 7 1.1.4.4 Storm Water Discharges Subject to Effluent Limitations Guidelines. ........................................... 8 1.1.4.5 Reserved. ........................................................................................................................................... 8 1.1.4.6 Reserved. .......................................................................................................................................... 8 1.1.4.7 New Discharges to Water Quality Impaired Waters. ...................................................................... 8 1.1.4.8 New Discharges to Waters for Antidegradation Purposes. ............................................................. 8 1.2 Permit Compliance. ....................................................................................................................................... 9 1.3 Authorization under this Permit. ................................................................................................................. 9 1.3.1 How to Obtain Authorization. .................................................................................................................. 9 1.3.2 Continuation of this Permit. ................................................................................................................... 10 1.4 Terminating Coverage. ............................................................................................................................... 10 1.4.1 Submitting a Notice of Termination. ...................................................................................................... 10 1.4.2 When to Submit a Notice of Termination. ............................................................................................. 11 1.5 Conditional Exclusion for No Exposure. ................................................................................................... 11 1.6 Alternative Permits. .................................................................................................................................... 11 1.6.1 EPA Requiring Coverage under an Alternative Permit. ......................................................................... 11 1.6.2 Permittee Requesting Coverage under an Alternative Permit. ............................................................... 12 1.7 Severability. ................................................................................................................................................. 12 2. Control Measures and Effluent Limits. .........................................................................12 2.1 Control Measures. ....................................................................................................................................... 12 2.1.1 Control Measure Selection and Design Considerations ......................................................................... 13 2.1.2 Control Measures/Best Management Practices (BMPs). ....................................................................... 13 2.1.2.1 Minimize Exposure. ....................................................................................................................... 13 2.1.2.2 Good Housekeeping. ...................................................................................................................... 14 2.1.2.3 Maintenance. .................................................................................................................................. 14 2.1.2.4 Spill Prevention and Response Procedures. .................................................................................. 14 2.1.2.5 Erosion and Sediment Controls. .................................................................................................... 15 2.1.2.6 Management of Runoff. ................................................................................................................. 15 2.1.2.7 Salt Storage Piles or Piles Containing Salt. .................................................................................. 15 2.1.2.8 Sector Specific Non-Numeric Effluent Limits. ............................................................................. 15 2.1.2.9 Employee Training. ........................................................................................................................ 15 2.1.2.10 Non-Storm Water Discharges. ....................................................................................................... 15 2.1.2.11 Waste, Garbage and Floatable Debris. .......................................................................................... 16 2.1.2.12 Dust Generation and Vehicle Tracking of Industrial Materials. ................................................. 16 2.1.3 Numeric Effluent Limitations Based on Effluent Limitations Guidelines ............................................. 16 2.2 Water Quality-Based Effluent Limitations. .............................................................................................. 16 2.2.1 Water Quality Standards ........................................................................................................................ 16 3. Corrective Actions ...........................................................................................................16 3.1 Conditions Requiring Review and Revision to Eliminate Problem ........................................................ 16 3.2 Conditions Requiring Review to Determine if Modifications Are Necessary ........................................ 17 3.3 Corrective Action Deadlines ....................................................................................................................... 17 3.4 Corrective Action Report ........................................................................................................................... 17 3.5 Effect of Corrective Action ......................................................................................................................... 18 Storm Water Discharges Associated With Industrial Activity General Permit No.: OHR000006 Page 3 of 146 3.6 Substantially Identical Outfalls .................................................................................................................. 18 4. Inspections ........................................................................................................................18 4.1 Routine Facility Inspections. ...................................................................................................................... 18 4.1.1 Routine Facility Inspection Procedures. ................................................................................................. 18 4.1.2 Routine Facility Inspection Documentation. .......................................................................................... 19 4.1.3 Exceptions to Routine Facility Inspections. ........................................................................................... 19 4.2 Quarterly Visual Assessment of Storm Water Discharges. ..................................................................... 20 4.2.1 Quarterly Visual Assessment Procedures. .............................................................................................. 20 4.2.2 Quarterly Visual Assessment Documentation. ....................................................................................... 20 4.2.3 Exceptions to Quarterly Visual Assessments. ........................................................................................ 21 5. Storm Water Pollution Prevention Plan (SWPPP). ......................................................22 5.1 Contents of Your SWPPP. .......................................................................................................................... 22 5.1.1 Storm Water Pollution Prevention Team. .............................................................................................. 22 5.1.2 Site Description. ..................................................................................................................................... 23 5.1.3 Summary