Trade waste is all liquid waste, generated on commercial premises, and discharged to our sewerage system. This includes water contaminated with:
If not managed properly, trade waste can damage the sewerage system, sewer operators and the environment.
Businesses who discharge trade waste into a Council sewer must apply for liquid trade waste discharge approval from Council.
Apply for a trade waste approval
Owners or tenants may apply for approval. Tenants must have written consent from the owner before they apply.
It is the discharger’s responsibility to:
- Pre-treat their waste to a level acceptable for discharge to the sewer.
- Consistently comply with all the conditions in Council’s approval.
Fees apply. Liquid trade waste is categorised and charged according to:
- The type of liquid waste discharged (determined by the business activities).
- The quantity of liquid waste discharged.
- The potential risk to the sewerage system, public health and the environment.
- Pre-treatment requirements. Contact us for information on the type of pre-treatment needed.
Liquid trade waste charges include:
- Registration fee.
- Category 1 – applies to dischargers requiring nil or minimal pre-treatment and may include prescribed pre-treatment and low impact to the sewerage system.
- Category 2 – applies to dischargers with prescribed pre-treatment.
- Category 2S – applies to dischargers transporting or discharging septic tank or pan content waste to the sewerage system.
- Category 3 – applies to large dischargers (>20kL/day) and industrial or manufacturing type waste.
Excess grease and fats can increase the load on the sewerage treatment system, cause blockages and increase hydrogen sulphide being produced.
This can cause:
- overflows of untreated sewage to the environment
- bad odours
- increased maintenance costs
- corrosion of the sewerage infrastructure.