Stormwater Pollution Prevention Plans Cornerstone of the ISGP

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Stormwater Pollution Prevention Plans
Cornerstone of the ISGP

• Nathan Graves
• Kennedy/Jenks Consultants
• ISGP Compliance Workshop
• June 2008

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Stormwater Pollution Prevention Plan (SWPPP)

• Cornerstone of Industrial Permit
• Specific requirements in permit
• Other references in permits
• Ecology guidance
• Ecology format

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SWPPP Requirements

• General
• Illicit Discharges
• Ecology / Public Access
• Additional Best Management Practices (BMP)
  Scheduling

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SWPPP Requirements (cont.)

• Contents
• Facility Assessment
• Description
• Map
• Inventory of Activities
• Inventory of Materials
• Monitoring Plan
• Inspections/Reporting
• BMPs

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Sampling Strategies

• Timing
• Location
• Technique
• Frequency
• Ecology guidance

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Benchmarks and Action Levels
Mandatory (core) sampling parameter
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Draft Benchmarks and Thresholds
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Best Management Practices (BMPs)

• Ecology Manuals
• Required vs. Recommended
• Presumptive vs. Demonstrative

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Best Management Practices (BMPs) cont.

• Operational (source control)
• Pollution Prevention Team
• Good Housekeeping
• Preventive Maintenance
• Spill Prevention / Cleanup
• Training
• Inspections/ Reporting
• General and Industry Specific

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Best Management Practices (BMPs) cont.

• Structural
• Treatment
• Peak Runoff and Volume Control
• Erosion / Sediment Control

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Source Control BMPs

• General
• Industry-Specific
• Operational / Structural

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SWPPP Issues

• Map detail (to scale)
• Identified sources (tires, roofs, etc.)
• Authorized signatory
• Continuous update
• Recordkeeping with SWPPP
• BMP reference
• All BMPs included?

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SWPPP Issues

• Tracking or follow up process
• Maintenance schedule
• Discussion of structural, treatment, volume
  control, and erosion control BMPs

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