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Trade Waste

What is trade waste?

Trade Waste is liquid waste generated by any industrial or commercial premises. This wastewater usually goes into the Napier City Council wastewater network (the sewers) to be treated at the Wastewater Treatment Plant in Awatoto, before being pumped into the ocean through a pipe on the sea floor (together with all Napier’s wastewater).Trade Waste can contain substances which can damage our infrastructure and our marine environment.

In order to make sure the system can cope and that the impact on the environment is minimal, the Integrated Trade Waste and Wastewater Bylaw regulates the quality and quantity of trade waste going into the NCC network.  The Bylaw also allows NCC to set limits on wastewater, which may require businesses to do some treatment, and also to charge those businesses for the cost of conveying and treating the trade waste. This helps to reduce the effects of trade waste on the environment and spreads the cost fairly across trade waste producers.

Do I need to apply for a trade waste consent?

Most businesses that are not retail stores and offices will be required to register as a trade waste customer. Once you have registered, your trade waste will be categorised into 1 of 4 of the categories outlined below.

  • Permitted Trade Waste: The discharge of permitted trade waste does not require a Trade Waste Consent but is subject to a registration process and requires an Approval Notice.
  • Controlled Trade Waste: The discharge of controlled trade waste requires a Trade Waste Consent.
  • Conditional Trade Waste: The discharge of conditional trade waste requires a Trade Waste Consent.
  • Prohibited Trade Waste: A prohibited trade waste discharge cannot be undertaken and no consent can be sought.

APPLY FOR A TRADE WASTE CONSENT

Trade Waste Image
  • Bakeries 
  • Beverage manufacturers 
  • Car washes 
  • Churches (with catering facilities) 
  • Clothing manufacturers 
  • Concrete batching plants 
  • Dairy products processing 
  • Dentists 
  • Doctor surgeries 
  • Drycleaners 
  • Electroplaters 
  • Footwear manufacturers 
  • Foundries 
  • Galvanisers 
  • Hotels and motels (with catering facilities). 
  • Hospitals. 
  • Landfills (leachate discharge). 
  • Laundries. 
  • Manufacturers of chemicals, and of chemical, petroleum, coal, rubber and plastic products 
  • Manufacturers of clay, glass, plaster, masonry, asbestos, and related mineral products 
  • Manufacturers of fabricated metal products, machinery and equipment 
  • Manufacturers of fertiliser 
  • Veterinary surgeries 
  • Waste management processors 
  • Manufacturers of paper and paper products 
  • Marae 
  • Meat, fish and shellfish processing facilities 
  • Mechanical workshops/service stations 
  • Metal surfacers 
  • Mortuaries 
  • Photo and medical laboratories 
  • Photo processors 
  • Premises with commercial waste masters 
  • Printers 
  • Restaurants 
  • Retail butchers and fishmongers 
  • Schools, polytechnics, universities 
  • Scientific laboratories 
  • Spray painting facilities 
  • Stock sale yards 
  • Take away premises 
  • Tanneries and leather finishers 
  • Textile fibre and textile processors 
  • Truck wash facilities 

Environmental Management Plans (EMPs)

Controlled and conditional trade waste customers will be required to provide an Environmental Management Plan (EMP). An EMP is a plan outlining how a consent holder will make provision for matters including, but not limited to:

  • cleaner production
  • waste minimisation
  • pre-treatment
  • managing, monitoring and recording trade waste discharges
  • contingency management procedures
  • pollution prevention and on-site stormwater management.

A template can be downloaded here.

Grease Removal Systems

Businesses that produce high levels of fat, oils and grease such as food premises will be required to install and maintain grease removal systems.
Depending on the type of consent applied for, a site visit from a trade waste officer may be required.


Trade waste charges

Trade waste costs are covered by a user pays system designed to encourage improvements to the quality of trade waste discharged to the network.

If your business has been consented to discharge trade waste to the public wastewater system, you will be charged based on the characteristics of your trade waste. The majority of trade waste customers will be subject to affordable flat rates as outlined in the schedule of fees and charges while customers that have higher contaminant loads, higher flows or higher risk trade waste will have more personalised rates as determined by the charging model which is described in the Administration Manual.

Please see the Trade Waste and Wastewater Bylaw 2022 for further information.

APPLY FOR A TRADE WASTE DISCHARGE RESOURCE CONSENT 


Contact

Customer services: 068357579
Trade Waste team: tradewaste@napier.govt.nz
Pollution response – spills and overflows assistance: 0279283701

Trade Waste Images
Trade Waste Image 2
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