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This Bylaw, which was last reviewed in 2008, imposes controls on type of materials that can be discharged into the public sewerage system in Otorohanga, and establishes a framework for the management of, and associated charges for, approved significant non-standard discharges (typically originating from trade activities) into this sewerage system.
Such discharges require the party discharging the material to hold a Trade Waste Consent issued by Council.
Characteristics of discharged waste that may require a Trade Waste Consent to be held include volume (daily and peak), temperature, solids content, presence of oil, fat, grease, solvents, organic chemicals, emulsions of paint, adhesive, rubber or plastic, radioactive materials or very strongly coloured liquids.
There are two categories of Trade Waste Consent:
Controlled Trade Waste Consents are typically applicable to those activities which discharge relatively modest quantities of waste to the sewer system, and where the potential adverse effects of this waste on the efficient operation of the public wastewater system can be limited by appropriate management of the discharge on the site where it is generated. For example the discharge from food premises could potentially contain high levels of fat, but the extent to which this enters the sewer can be reduced by installing and maintaining a trap to capture this fat before it enters to the sewer.
Fixed annual charges are applicable to Controlled Trade Waste Consents, which covers the cost associated with Council's periodic checking that the required on-site management of the discharge (regular emptying of traps etc) is occurring.
A Conditional Trade Waste Consent is applicable to discharges that are likely to have a significant adverse effect on the public wastewater system, even if it is well managed on the site where it is generated. For such discharges fees will be charged based on the estimated cost of treatment, which is evaluated based on a process set out in the Bylaw which takes account of the volume of discharge and its physical and chemical characteristics.
Go to Document Downloads to download PDF copy.