If your business discharges trade waste to the council wastewater network, your trade waste consent almost certainly requires your discharge flow meter to be verified annually, a separate and more frequent obligation than the five-yearly verification that applies to most consented water take flow meters.
Trade waste is any liquid waste generated by a commercial or industrial business that is discharged to the council wastewater (sewerage) network. Businesses that generate trade waste include food and beverage processors, commercial kitchens and hospitality businesses, manufacturers and industrial operators, automotive and engineering workshops, laundries and dry cleaners, and healthcare and laboratory facilities.
Unlike irrigation or municipal water meters, verified every five years, trade waste discharge meters are typically required to be verified annually. The reason comes down to the purpose of the measurement. Trade waste consent conditions set limits on the volume and composition of discharge. Accurate flow measurement is essential for:
Christchurch City Council requires trade waste consent holders to verify their discharge flow meters annually. Selwyn District Council and Waimakariri District Council have similar requirements. Your specific requirements will be set out in your trade waste consent conditions. NZ Flow Group can help you review your obligations if you're unsure what your consent requires.
Check your trade waste consent conditions. If you don't have a copy, contact your territorial authority's trade waste team. NZ Flow Group can also help you review your obligations.
Councils rely on your meter data to verify your discharge is within consented volumes. More frequent verification ensures the data they rely on is accurate, and gives you a documented record of compliance.
Contact NZ Flow Group. We can carry out a verification to establish your current meter accuracy and issue a certificate. We recommend also reviewing your trade waste consent conditions to understand your full obligations.
Yes, NZ Flow Group can combine your annual trade waste verification with a routine meter service inspection, reducing the number of separate site visits required.
Canterbury-based flow meter specialists. Blue Tick accredited. IANZ-calibrated equipment.
Get in touchNZ Flow Group provides annual trade waste flow meter verification for Canterbury businesses, using IANZ-calibrated equipment and issuing certificates accepted by Christchurch City Council.