Wastewater Engineering


BPO's services include design/build solutions, process design and detailed engineering, waste testing, pilot studies, system commissioning, operator training, troubleshooting and a comprehensive aftercare service and operating support. 


BPO has full in-process wastewater laboratory, lab-scale and pilot-scale testing equipment and a wet workshop suitable for pilot testing. 

Aerobic Systems

Aerobic systems used aeration to promote the growth of activated sludge for the effective removal of organic contaminants and nutrients such as nitrogen and phosphorus.

Anaerobic Systems

Anaerobic Systems are suitable for treatment of high-strength waste and wastewater. Their main function is to remove organic matter and convert it to energy-rich biogas

89 Colombo Street

PO Box 5067, Frankton, Hamilton, New Zealand

570 Hillside Road,

Dunedin, New Zealand



T: +64 7 858 2101


T: +64 3 951 0240

AUS Free 1 800 751 806


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