Active Flow delivers effective wastewater treatment systems designed for South Island homes and businesses
7 Nov 2026
Active Flow - Starter designs, installs and maintains sewage and wastewater treatment systems for homes and commercial properties across the South Island. Based in Christchurch, Active Flow offers systems designed for New Zealand conditions, helping property owners find a practical solution for their site. From domestic wastewater treatment systems in Christchurch to wastewater design in Marlborough and system installation in Tasman, customers benefit from support throughout the process, from initial planning to ongoing servicing.Rainwater Harvesting Canterbury
A choice of proven systems helps customers find an option suited to their property’s needs. For those considering natural wastewater systems in Canterbury or power-free wastewater treatment in Marlborough, NaturalFlow uses vermiculture, with no power required during the treatment process. EconoTreat caters for small domestic properties through to large commercial sites, with options permitted for restricted discharge areas. Biolytix combines vermiculture with gentle aeration and is well suited to difficult-to-access locations. Customers exploring eco wastewater systems in Queenstown can discuss these options with Active Flow.
Power Free Wastewater Systems Marlborough
Rainwater harvesting and storage systems also help property owners conserve water and make better use of rainfall. Active Flow supports rainwater harvesting in Canterbury and rainwater collection in Queenstown alongside its wastewater services, bringing water collection and treatment needs together with one provider. Homeowners and businesses seeking wastewater treatment systems in NZ can call **03 323 8541** or submit an online enquiry to discuss their requirements and request a quote.
Active Flow
