Liquid Waste Management Services across Newcastle, the Hunter & Central Coast

Over 40 years of trusted liquid waste expertise, delivering fast, reliable, and eco-friendly waste removal.

Open metal grease traps filled with brown liquid and debris.
Open sewer with red hose extending inside; concrete setting.
Water overflowing from a curb onto a flooded street, beside green grass.
Plowed field with dark soil and rows, trees on the left, under a blue sky with wispy clouds.
Aerial view of a green-roofed building and silos on a gravel lot, surrounded by trees and grass.

OVER 40 YEARS OF TRUSTED LIQUID WASTE SOLUTIONS

With a strong reputation built over four decades, Enviroking in Black Hill, NSW, stands as one of the most experienced and trusted names in liquid waste management across the Hunter and Newcastle regions. As a locally owned and operated family business, Enviroking takes great pride in offering reliable, affordable, and environmentally responsible liquid waste removal services for residential, commercial, and industrial clients. From humble beginnings as Sludge King in 1980, the company has grown through hard work, dedication, and a genuine passion for customer care.


Our expert team is committed to protecting both the environment and our local communities, providing efficient waste collection and treatment solutions that comply with all relevant safety and environmental standards. Whether it’s septic tank cleaning, grease trap maintenance, or commercial waste management, you can count on our experience and reliability to get the job done right.

LOCALLY OWNED, FAMILY OPERATED & COMMUNITY FOCUSED

At the heart of Enviroking’s success is a proud family legacy. Established over 40 years ago and carried forward by the next generation, the business continues to operate with the same values of honesty, integrity, and care that it was founded on. In 1998, the team moved to their current premises, where they built a state-of-the-art liquid waste treatment facility that opened in 2000.

Green metal building with small entryway and landscaped plants. Asphalt driveway and grassy area. Trees in background.
White and green Enviroking septic truck parked on grass.
Aerial view of a wastewater treatment plant with several circular tanks and buildings, located near green vegetation and water.

This investment in local infrastructure not only improved efficiency but also allowed Enviroking to better serve a wider region — including Central Coast Council, Cessnock City Council, Dungog Shire Council, Lake Macquarie City Council, Maitland City Council, Muswellbrook Shire Council, Newcastle City Council, Port Stephens Council, Singleton Council, and Upper Hunter Shire Council. As the business grew, so did its fleet — expanding from just two trucks to ten modern vehicles capable of handling a wide range of waste removal tasks efficiently and safely.

RELIABLE SERVICES FOR HOMES, BUSINESSES & INDUSTRY

When it comes to liquid waste removal, no job is too big or small for Enviroking. Our team has extensive experience working with homeowners, businesses, and industrial sites, offering a full range of services tailored to suit each client’s needs. We understand that timely service and professional handling are crucial, which is why our drivers and technicians are trained to provide fast, safe, and compliant waste management every time.

OUR SPECIALISED LIQUID WASTE SERVICES INCLUDE:

Septic tank cleaning and maintenance

Grease trap cleaning and waste disposal

Industrial liquid waste removal

Sullage and greywater collection

Treatment and recycling at our licensed facility

Scheduled servicing for commercial clients

Every service we provide is backed by our dedication to environmental care and sustainability. Our treatment facility allows us to responsibly process and recycle waste materials where possible, ensuring a cleaner, greener future for the Hunter region.

PROFESSIONAL, FRIENDLY & AFFORDABLE CUSTOMER SERVICE

At Enviroking, customer satisfaction is at the core of everything we do. Our clients choose us not only for our expertise but also for our friendly approach, clear communication, and fair pricing. From your first phone call to the completion of your service, you’ll deal with a team that values honesty and reliability above all else.


We understand that dealing with waste isn’t glamorous, but it’s an essential part of keeping homes and businesses running smoothly — and we’re passionate about making it as easy and stress-free as possible for our customers. Whether you need a one-off cleanout or a scheduled maintenance plan, you can rely on our dependable crew to arrive on time and deliver quality service with a smile.

SERVICING NEWCASTLE, THE HUNTER & BEYOND

Over the years, Enviroking has become a trusted partner for clients throughout Newcastle, NSW, and the surrounding council regions. Our fleet of well-maintained vehicles and skilled operators ensures we can respond quickly to jobs of any size, from residential septic systems to large industrial waste operations.


We’re proud to play an important role in keeping local communities clean, safe, and environmentally responsible. As a family business with deep roots in the Hunter region, we treat every customer as a neighbour — because more often than not, they are.


So, if you’re looking for professional liquid waste removal and management services that combine experience, reliability, and local know-how, look no further than Enviroking, Black Hill, NSW — the name Newcastle and the Hunter trust for quality waste solutions.

For fast, affordable and eco-friendly liquid waste removal in Newcastle, the Hunter and Central Coast.

CALL THE EXPERTS AT ENVIROKING ON 02 4930 3000 TODAY.