We understand the unique needs of our Waikato community — because we’ve been part of it for generations. Since 1950, Bain Liquid Disposal has proudly operated as a family-owned business, serving the region with professional liquid waste disposal services. In 1996, we continued that journey as Cambridge Septic Tank Services, expanding our capabilities to meet the evolving needs of the community.
Now CST Group with the division of Bain Liquid Disposal, we provide a comprehensive range of essential services, including wastewater treatment and septic tank cleaning, sump pump cleaning, hydro excavation, CCTV drain inspection, high-pressure jetting, and 24/7 emergency spill response.
Our team of highly skilled and agile service technicians bring their expertise and commitment to every job. Whether it’s a rural, residential, industrial, or commercial need, we promise “whatever it takes” solutions delivered with quality, efficiency, and respect. When you choose us, you’re choosing more than a service provider — you’re choosing a trusted partner dedicated to your satisfaction and the health of your property.
It is imperative to get your septic tank cleaned regularly to prevent blockages and flooding. We recommend regular septic tank maintenance with tanks cleaned every 2-3 years, depending on the size and how much the system is used.
Maintaining a clean grease trap is crucial for both system maintenance and a hygienic workplace. At CST Group, we offer professional grease trap cleaning services, our expertise extends to residential and commercial grease trap cleaning.
Our trucks can deliver 13,000 litres in a truck load or 28,000 litres with a truck and trailer.. Our service is ideal whether you need bulk water delivery for household use, swimming pools, livestock, or construction use.
A hydro excavator provides an alternative to manual digging, hence more efficient, safer and has a smaller environmental impact. Ideal for locating or working around utilities such as gas, water and fibre optics, ensuring clients can work without causing damage to the environment or risking injury.
