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Kempsey Shire Council. Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons. Kempsey Waste Receival & Disposal Facility. Site Characteristics (geology and topography) Solid Waste Disposal
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Kempsey Shire Council Will Weir Environmental Outcomes Officer BE (Environmental) Hons Wayne Landkroon Facilities Management Coordinator BE (Environmental)Hons
Kempsey Waste Receival & Disposal Facility Site Characteristics (geology and topography) Solid Waste Disposal Environmental Management
SITE GEOLOGY Residual Clays overlying Mudstone with Clay Lenses Kempsey Beds – Lower Permian Aged
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
SITE HYDROGEOLOGY • Groundwater ranges between 12-17mBGS across site • Confined Aquifer • Artesian Conditions
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
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
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
WASTE RECOVERY (Resource NSW Strategy) Other Wastes Recovered: Green Waste Biosolids Resale Items Farm Chemical Containers (Drum Muster) Regional Recycling Pickup Centres
ENVIRONMENTAL MANAGEMENT • Site Water Management • Landfill Gas – Methane • Dust and Wind Blown Rubbish
GROUNDWATER & SURFACE WATERMONITORING 6 Groundwater Quality Monitoring Bores 3 Surface Water Quality Monitoring Points Leachate and Effluent Quality Monitoring Points
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
LANDFILL GAS 1.25% v/v Methane Buildings Monitoring Bores Surface Traverse (25m grid)
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.
February/March 2003 • Rain Event: • >200mm in 5 day period • 73mm in one night
Pollution Reduction program • 1 – Erosion/Sediment Control • 2 – Repair Erosion Damage • 3 – Stabilisation Program • 4 – Pump Out/Irrigation System • 5 – Site Operations
May 2003 • Rain Event: 40mm