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Stormwater Permit Compliance Guidance

Learn about Municipal Regional Permit requirements, including operations, illicit discharge detection, public information, and more. Workshop on May 23, 2013. Stay informed!

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Stormwater Permit Compliance Guidance

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  1. Regulatory Refresher The Municipal Regional Permit Kristin Kerr, P.E., QSD EOA, Inc. Municipal Maintenance Training Workshop May 23, 2013

  2. Regulatory Refresher • Municipal Regional Permit Requirements • C.2 Municipal Operations • C.5 Illicit Discharge Detection & Elimination • C.7 Public Information and Outreach • C.10 Trash Load Reduction • SMCWPPP Resources

  3. Municipal Stormwater Permits • Since 1987 the federal Clean Water Act has required municipalities to obtain permits to discharge stormwater from municipal storm drain systems • These are National Pollutant Discharge Elimination System (NPDES) Municipal Stormwater Permits

  4. Municipal NPDES Permitting Authority

  5. What is the Municipal Regional Permit(MRP)? • Regional permit regulating municipal stormwater systems • Adopted by Regional Water Board: October 14, 2009 • Effective date: December 1, 2009 • Permit renewed every 5 years • Applies to cities, counties, and districts in: • San Mateo, Alameda, Contra Costa, and Santa Clara Counties • Fairfield and Suisun City (Solano County) • Vallejo (Solano County)

  6. What Do Municipal Stormwater Permits Require? If you only remember two general things: • Implement controls to reduce the discharge of pollutants in stormwater to the maximum extent practicable, AND 1 2 • Effectively prohibit non-stormwater discharges into the storm drains

  7. Permit Provisions C1 – Compliance with Discharge Prohibitions C2 – Municipal Maintenance C3 – New Development and Redevelopment C4 – Industrial and Commercial Discharge C5 – Illicit Discharge Detection and Elimination C6 – Construction Inspection C7 – Public Information and Outreach C8 – Water Quality Monitoring C9 – Pesticide Toxicity Control C10 – Trash Reduction C11 – Mercury Load Reduction C12 – PCBs C13 – Copper C14 – PBDE and Legacy Pesticides C15 – Exempted & Conditionally Exempted Discharges C16 – Reporting

  8. Provision C.2 – Municipal Operations • Field Activities • Street/Road Repair and Maintenance • Sidewalk/Plaza Maintenance & Pavement Washing • Bridge & Structure Maintenance • Graffiti Removal • Rural Public Works (Roads) Construction and Maintenance

  9. Provision C.2 – Municipal Operations • Fixed Facilities • Corporation Yards • Pump Stations

  10. Municipal Operations Requirements in the MRP • Provision C.2 • Implement appropriate BMPs during operation, inspection & routine repair/maintenance activities • Specific BMPs for Field Activities • Specific BMPs for Fixed Facilities • Monitoring and Inspections at Fixed Facilities *BMPs = Best Management Practices

  11. MRP Requirements - Field Activities • Manage materials, debris and wastewater • Control erosion and sediment runoff • Protect storm drain inlets • Avoid discharges to the storm drain

  12. Sources of BMPs • CASQA Stormwater BMP Municipal Handbook (2003) - BMP Fact Sheets • Road & Street Maintenance • Plaza & Sidewalk Cleaning • Vehicle & Equipment Fueling • Vehicle & Equipment Cleaning • Vehicle & Equipment Repair • Parking/Storage Area Maintenance • Outdoor Storage of Raw Materials • Waste Handling & Disposal • Outdoor Container Storage

  13. Sources of BMPs • Caltrans Storm Water Quality Handbook Maintenance Staff Guidance – 2003 • Flexible Pavement (paving, crack/joint grinding/sealing, pothole repair, sealing) • Rigid Pavement (cement crack/joint sealing, mudjacking & drilling, concrete slab&spall repair) • Graffiti Removal • Bridges • Management & Support (storage, vehicle & equipment fueling, cleaning, maintenance and repair, spill control, etc.)

  14. MRP Requirements – Fixed Facilities • Stormwater Pump Stations • Inventory – completed March 2010 • Inspections • 2x during wet season after storm* • 2x during dry season • Observe trash, color, odor, turbidity, oily sheen • Sampling • 2x during dry season for DO • weekly if DO ≤ 3mg/L • Corrective actions if DO < 3mg/L *first business day after ≥ ¼ inch storm preceded by min 2 weeks dry period

  15. MRP Requirements – Fixed Facilities • Corporation Yards • Stormwater Pollution Prevention Plan • Inspections • at least 1x year before wet season • follow up inspections if issues found

  16. MRP Requirements - Training • Rural Roads &Public Works Construction and Maintenance • Training – 2x during permit term • SMCWPPP Training coming in Fall 2013

  17. Illicit Discharge Detection and Elimination Requirements in the MRP • Provision C.5 • Collection System Screening • Catch basin and outfall inspections for illicit discharges/illegal dumping • 1x year in dry weather conditions • Regular conveyance system inspections count

  18. Public Information & Outreach Requirements in the MRP • Provision C.7 • Minimum 80% of municipal storm drain inlets marked • Inspect & maintain 80% at least 1x per 5-year permit term • Report annual % of inlet markings inspected & maintained

  19. Trash Load Reduction • Provision C.10 • Install and maintain full trash capture devices • Clean Trash Hot Spots annually • More information to come later in Workshop!

  20. SMCWPPP Assistance • Municipal Maintenance Subcommittee Meetings • SMCWPPP Orientation Training materials • Website: www.flowstobay.org • Corporation yard inspection form • Stormwater pump station dry season DO monitoring & inspection form • Corp yard SWPPP template • Sources of SW BMP information

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