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Eastern Liquid Services

Dandenong South, VIC 3175


Sustainability and Recycling Is Part of Who We are

As the world focuses more and more on a sustainable future for impending generations, recycling and recovery from waste products becomes a very important issue. Eastern Liquid Services embraces this vision enthusiastically and strives to contribute to a better environment.

One of our ongoing goals is to protect the natural environment and waterways of Melbourne. In order to place ourselves at the forefront of the industry we work closely with Victoria’s Environmental Protection Authority (EPA VIC), metropolitan Melbourne Water Authorities and Local Councils.

Quality Management System and Safety

Eastern Liquid Services prides itself in providing the safest possible working conditions for our employees. To this end we have a dedicated Sustainability and Compliance team to put in place an auditable Quality Management System.

The process

Waste received at OES undergoes several treatment processes including solids removal, pH adjustment and aeration to ensure the water is polished to a high standard. All the air extracted from within the facility is put through our large wet scrubber to neutralise any odour before being released into the atmosphere.


OES currently sends all centrifuge cake to a composting facility to ensure closed loop recycling of all organic solid materials derived from our process. Tallows and oils derived from our gravity separation process is sent to biodiesel production among other beneficial reuses. Clay and silt mixtures are also dewatered and used as clean fill.

Quality Management Systems

We have implemented a management system based on the quality management systems ISO9001:2008, environmental management systems ISO14001:2004 and AS/NZS 4801 Safety Management Systems. We are using these systems to drive sustainability, and process efficiency to improve the downstream environmental outcomes from waste.


OES is continuously striving to achieve the best environmental outcomes from the materials produced through our treatment processes. With this in mind, we are working with Monash University on a research project.

Sewer and Storm Water Services

Everything that is put down your drain and toilet eventually goes through the sewer lines and storm water drains around Melbourne, and it’s not uncommon for those pipes to become blocked.

When a sewer pipe or storm water drain does become blocked, it’s up to the liquid waste professionals at Eastern Liquid Services to clear the blockage without damaging the sewer pipe, storm water drain or the local environment.

Eastern Liquid Services can help you unblock or maintain:

Sewer effluent services

Storm water drain clearing

How Do We Clear A Blocked Drain?

Using specialised tools that will vacuum and clean drains, our focus is to clear the drain with the least environmental impact. The drain is cleared using a flexible pipe with a gently rotating head. The blockage is removed with a combination of water and pressure while the vacuum removes the material, ensuring the pipe does not become blocked further at another point. We are always on the look out for new methods and technology to help us protect Melbourne’s waterways.

Septic Tank Pumping

Septic tanks work a little bit like a grease trap, so any solids that flow in to the septic tank are separated, leaving the liquid to flow out through the outlet pipe or sand filter. Without regular septic tank maintenance, the inlet and outlet pipes can become blocked and often with unpleasant associated odours, leading to an expensive (and messy) septic tank replacement.

Don’t leave it too late! Call Eastern Liquid Services to schedule in a visit to pump out your septic tank.


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  • 26-28 Souffi Place, Dandenong South VIC 3175, Australia

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