Liquid trade waste

 135 Byng St, Orange
 02 6393 8000
 02 6393 8199
 council@orange.nsw.gov.au
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Orange City Council has a number of statutory responsibilities for the approval of liquid trade waste discharged into the sewerage system under the Local Government Act 1993. Council obligations include risk management, cost recovery, approvals, monitoring and ensuring licence conditions of the Sewerage Treatment Plant are met. Council has developed a  Liquid Trade Waste Policy - ST046 which outlines requirements and procedures for the management of Liquid trade waste.

Council’s management of liquid trade waste is overseen by the NSW Office of Water (NOW, formerly  Dept. of Water and Energy – DWE) in accord with the  Liquid Trade Waste Regulation Guidelines April 2009  and Best-Practice Management of Water Supply and Sewerage Guidelines August 2007

What is liquid trade waste?

Liquid trade waste means all liquid waste other than sewage of a domestic nature. Activities producing liquid trade waste include, but are not limited to:

  •   business/commercial premises (eg beautician, hairdresser, motel, café, butcher, service station, dentist)
  •   industrial premises
  •   community/public premises (eg school, college, hospital, craft clubs)
  •   trade activities (eg mobile carpet cleaners)
  •   saleyards, racecourses, stables and kennels not associated with households and
  •   any commercial activity carried out at a residential premises

Sewer systems are generally designed to cater for domestic waste. Liquid trade waste may exert greater demands on sewage treatment systems. Management of liquid trade waste is required to:

  • Protect community assets, e.g. sewer mains, pumping stations and sewage treatment facilities from damage by trade waste
  • Protect the environment – some substances, such as metals or pesticides may pass through the treatment facility unchanged and accumulate in the environment.  Other substances may adversely affect the biological processes and the quality of the treated effluent and biosolids
  • Protect public and worker health and safety – people working in and around the sewerage system can be harmed if toxic substances are discharged into the sewer

A person who wants to discharge liquid trade waste to a sewer must obtain Council’s approval as per section 68 of the Local Government Act 1993.  This applies to new trade waste dischargers, those whose approval has expired, or where there is a change to operations.

The Applying for Liquid Trade Waste Approval Guide has been developed to assist dischargers with the approval process. Applying for liquid trade waste approval

Liquid Trade Waste Classifications

Four classifications  of liquid trade waste have been established, called A, B, C or S, which are based on business types and volume of discharge. A classification guide is included in the ‘Applying for Liquid Trade Waste Approval Guide’. Separate application forms are available for each classification and are available for download.

File Comments
Liquid Trade Waste Classification - Class A Application
Liquid Trade Waste Classification - Class B Application
Liquid Trade Waste Classification - Class C Application
Liquid Trade Waste Classification - Class S Application
Form C2 - Food Preparation
Form C3 - Mechanical Workshops
Form C4 - Laboratory
Form C5 - Animal Wash

Liquid Trade Waste Charging

Council provides sewage treatment and liquid trade waste services on a commercial basis, with cost recovery through trade waste fees and charges. For charging purposes, liquid trade waste dischargers are assessed in three different  categories:

Category 1 dischargers requiring nil or minimal pre-treatment;
Category 2 dischargers requiring prescribed pre-treatment; and
Category 3 large dischargers (over 20kL/day) and industrial waste
The fees and charges that apply to each category are detailed in Orange City Council’s Delivery & Operational Plan, which can be found on this page.

Further Information

For further information or assistance please contact Orange City Council’s Trade Waste Officer on 6393 8000.