Collection, treatment & asset maintenance: backed by decades of local service delivery

Veolia's St Marys Liquid Treatment Plant in Western Sydney brings together global environmental expertise and decades of trusted local service to deliver fully integrated, compliant liquid waste and drainage solutions. Veolia's proven track record across Australia means your operations are backed by a partner with the depth of experience and local knowledge to keep your business protected, compliant, and running smoothly.

Drain cleaning & non-destructive digging

Our St Marys team provides end-to-end drain services to keep your operations running and compliant. Download the capability statement to view our full scope of drain services.

Liquid waste management & treatment

The St Marys team delivers comprehensive collection, transport, and treatment solutions tailored to a wide range of clients and waste types.

Collection & transportation

Water treatment

Oily water & sludge solutions

24 hour emergency response

Liquid waste collection, transportation & treatment

Veolia's St Marys facility delivers end-to-end collection, transportation, and treatment solutions for liquid waste and contaminated water, including industrial effluent, oily water and sludge, and sullage (grey water). Accepted EPA-classified waste types include J100, J120, and N140.

Our fleet of over 15 specialised vehicles from tankers to heavy vacuum trucks boast broad capabilities, enabling quick and compliant operations even on sites which require restricted or underground access.

Back at the facility your liquid waste undergoes advanced separation, clarification, and filtration processes to achieve output quality that adheres to NSW's high regulatory environmental standards.