Business Details
Emergency
services
Your Trusted Partner for Liquid Waste Management Solutions
Demast Pty Ltd Pty Ltd is a leading liquid waste management facility in New South Wales, operating under strict EPA approval. Established to provide innovative and sustainable waste solutions, we specialise in liquid waste disposal, recycling, and onsite water treatment services. Our state-of-the-art facility in Smithfield features advanced dewatering technology, four 24/7 tipping bays, and automated weighbridges to minimise downtime for commercial clients. With expertise in processing drilling mud, hydro excavation waste, and concrete washout, we deliver compliant, efficient resource recovery to reduce landfill impact. Our team offers dry-hire hook trucks, same-day bin delivery, and custom onsite treatment plants tailored to project requirements.As a trusted partner for infrastructure projects, we prioritise operational efficiency, environmental responsibility, and client satisfaction. Our strategic location near the M4 Motorway ensures accessibility from Sydney CBD, Parramatta, and surrounding regions. Through continuous innovation and adherence to regulatory standards, we empower businesses to meet sustainability goals while maintaining cost-effective waste management practices. Our commitment to excellence is reflected in our rapid processing capabilities, extensive recycling output, and dedicated customer support.
Services
Liquid waste disposal
Recycling services
Onsite water treatment
Hook truck hire
Mud bin supply
Concrete washout processing
Drilling mud management
Hydro excavation waste handling
Recycled aggregates supply
Stormwater treatment
Highlights and features
- We operate 24/7 with four tipping bays to minimise truck downtime
- Our facility uses advanced dewatering technology for efficient processing
- We offer custom onsite water treatment plant solutions
- We provide same-day mud bin delivery and removal services
- Our recycled aggregates support sustainable construction projects
Associations and certifications
- EPA approved
Services
Liquid waste disposal
Our EPA-approved facility handles diverse liquid waste streams including drilling mud, hydro excavation slurry, and concrete washout. Using advanced dewatering systems, we process 24/7 to ensure regulatory compliance and minimal environmental impact. Commercial clients benefit from rapid turnaround through automated weighbridges and four dedicated tipping bays.
Recycling services
We transform liquid waste into reusable materials through innovative processing. Our output includes recycled sand, 10mm and 20mm aggregates, and larger stone fractions. This circular approach reduces landfill use while providing cost-effective construction materials for infrastructure projects across NSW.
Onsite water treatment
We design and implement custom water treatment plants for project-specific needs. Services include full system setup, operator training, and ongoing support to manage contaminated stormwater and industrial effluent. Our solutions ensure compliance with environmental regulations while optimising water reuse.
Hook truck hire
Available for dry hire when operational requirements demand flexibility. Our three hook lift trucks enable efficient transport of bins and materials to and from sites. Ideal for time-sensitive projects needing immediate waste handling capacity without long-term equipment commitments.
Mud bin supply
We provide rapid delivery and removal of liquid waste bins for continuous onsite operations. Open bins are also available for solid material storage or transport. Same-day service ensures uninterrupted workflow for vacuum truck operators and construction teams requiring temporary waste containment.
Questions
What types of liquid waste do you accept?
We process drilling mud, hydro excavation slurry, concrete washout, stormwater with gross pollutants, and street sweeper waste. Our EPA-approved facility handles both industrial and construction-related liquid waste streams.
Are your waste management services available after hours?
Yes, our Smithfield facility operates 24/7 with four tipping bays and automated weighbridges to accommodate urgent waste disposal needs at any time.
Do you offer onsite waste treatment solutions?
We design and implement custom water treatment plants for contaminated water management. This includes system setup, operator training, and ongoing technical support tailored to specific project requirements.
What recycled products do you supply?
Our processing creates recycled sand, 10mm and 20mm aggregates, and larger stone fractions. These materials meet construction industry standards for use in infrastructure projects seeking sustainable material solutions.
How quickly can you deliver mud bins?
We offer same-day delivery and removal of liquid waste bins using our hook lift trucks. This service maintains continuous operations for vacuum truck operators and construction sites requiring temporary storage.
Is your facility accessible for large trucks?
Located near the M4 Motorway, our Smithfield site features four dedicated tipping bays and automated weighbridges to ensure efficient access for heavy vehicles from Sydney, Parramatta, and regional NSW.
