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Kempsey Shire Council

Explore the site characteristics, waste acceptance guidelines, and environmental management practices at the Kempsey Waste Receival & Disposal Facility. Learn about groundwater conditions, landfill cell liners, acceptable waste types, and monitoring techniques for water quality and landfill gas. Discover how the facility adheres to NSW EPA criteria, manages surface water, leachate, and landfill gas, while ensuring compliance with environmental regulations and pollution reduction programs.

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Kempsey Shire Council

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  1. Kempsey Shire Council Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons

  2. Kempsey Waste Receival & Disposal Facility Site Characteristics (geology and topography) Solid Waste Disposal Environmental Management

  3. SITE LOCATION

  4. SITE CHARCTERISTICS

  5. SITE TOPOGRAPGY

  6. SITE GEOLOGY Residual Clays overlying Mudstone with Clay Lenses Kempsey Beds – Lower Permian Aged

  7. Residual Silty Clays exhibit MEDIUM to HIGH PLASTICITY and VERY LOW PERMEABILITY = 5x10-11 ms-1 NSW EPA criteria for landfill cell liners = 1x10-9 ms-1

  8. SITE HYDROGEOLOGY • Groundwater ranges between 12-17mBGS across site • Confined Aquifer • Artesian Conditions

  9. SITE LAYOUT

  10. SOLID WASTEDISPOSAL(NSW EPA License No. 6269)

  11. What waste can be accepted at KWR&DF? INERT WASTE • Virgin Excavated Natural Material (VENM) – EPA Approved • Building and Demolition Waste • Asphalt Waste • Biosolids • Used Tyres • Office and Packaging Waste

  12. What waste can be accepted at KWR&DF? SOLID WASTE • Municipal Waste • Biosolids (restricted), Manure and Night Soil • Lead Contaminated Waste • Cleaned Pesticide, Biocide, Herbicide or Fungicide Containers • Mechanical Workshop Materials • Disposable Nappies, Incontinence Pads and Sanitary Napkins • Food Waste • Vegetative Waste from Agriculture or Horticulture • Non-Chemical Waste from Manufacturing and Services • Soil

  13. What waste CANNOT be accepted at KWR&DF? HAZARDOUS • Dangerous Goods • Pharmaceuticals and Poisons • Clinical Wastes • Cytotoxic Waste • Sharps Waste • Radioactive Waste • Declared Chemical Waste – EPA LIST • Quarantine Material • LIQUID WASTE

  14. WASTE RECEIVAL TRACKING

  15. LANDFILL CELL WITH DAILY COVER

  16. USED LEAD/ACID BATTERRIES

  17. USED TYRES

  18. FERROUS WASTE

  19. TIMBER

  20. WASTE RECOVERY (Resource NSW Strategy) Other Wastes Recovered: Green Waste Biosolids Resale Items Farm Chemical Containers (Drum Muster) Regional Recycling Pickup Centres

  21. ENVIRONMENTAL MANAGEMENT • Site Water Management • Landfill Gas – Methane • Dust and Wind Blown Rubbish

  22. SURFACEWATER MANAGEMENT

  23. LEACHATE MANAGEMENT

  24. GROUNDWATER & SURFACE WATERMONITORING 6 Groundwater Quality Monitoring Bores 3 Surface Water Quality Monitoring Points Leachate and Effluent Quality Monitoring Points

  25. PEIZOMETER

  26. Sampling and AnalysisQuarterly Sampling: Manganese Nitrate Potassium Sodium Sulphate Temperature Total Phenolics Total Organic Carbon pH (6.5-8.5) Alkalinity (as calcium carbonate) Ammonia Arsenic Calcium Chloride Conductivity (uS/cm) Fluoride Iron Magnesium Total Suspended Solids (in surface waters, 50mg/L) Units of measure = mg/L unless stated

  27. LANDFILL GAS 1.25% v/v Methane Buildings Monitoring Bores Surface Traverse (25m grid)

  28. CASE STUDY

  29. NSW EPA License Requirement: • Sampling Point #7 • Effluent Quality and Volume Monitoring (Sedimentation Dam) • TSS not greater than 50mg/L • Required to sample all discharge from Dam • Exceedance are allowed during rain events of 71mm or greater in 5 day period.

  30. February/March 2003 • Rain Event: • >200mm in 5 day period • 73mm in one night

  31. Pollution Reduction program • 1 – Erosion/Sediment Control • 2 – Repair Erosion Damage • 3 – Stabilisation Program • 4 – Pump Out/Irrigation System • 5 – Site Operations

  32. May 2003 • Rain Event: 40mm

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