Liquid waste holding tanks are essential components of many industrial and residential facilities, providing a safe and efficient means of storing wastewater and other fluids until they can be safely disposed of. However, over time, these tanks can become full and require emptying by a professional tanker company.
As a company that specializes in the emptying of liquid waste holding tanks, with years of experience in the industry, Clearmasters has built a reputation for providing reliable, efficient, and affordable liquid waste removal services to a range of clients across various sectors.
When it comes to emptying liquid waste holding tanks, We employ a range of specialist equipment and techniques to ensure a thorough and efficient job. This includes the use of high-powered vacuum pumps, specialized hoses and nozzles, and experienced and highly trained technicians who know how to safely and efficiently extract the contents of the tank.
Once the waste has been removed from the tank, we will transport it to a specialised facility for processing and disposal. This ensures that the waste is disposed of in a safe and environmentally responsible manner, in accordance with all relevant regulations and guidelines.

Quite simply, we are the best!
We are always on hand, whether it be a routine visit, or an emergency call out to offer you the very best in Liquid Waste Holding Tank emptying. We pride ourselves on having a modern fleet of vehicles containing the highest tech equipment to ensure that we can provide you with the high levels of reliability and efficiency that we constantly achieve.
Our friendly and knowledgeable office team, are always available to discuss or advise on any of your requirements or simply to schedule in your Liquid Waste Holding Tank emptying at a convenient time and date that suits you.
On site, our team of dedicated, friendly and fully trained engineers will ensure that your emptying is carried out to the highest standard with minimal disruption. Our engineers are always willing and fully encouraged to spend time answering any questions you may have regarding your Liquid Waste Holding Tanks.
The emptying frequency for a liquid waste holding tank depends on usage, volume of waste and solids load, and whether the tank serves a domestic or industrial/commercial site. Generally, regular inspections every 6–12 months are recommended, with heavier-use sites requiring more frequent desludging to prevent overflow or capacity issues.
Watch for signs such as slow drainage from connected outlets, foul odours emanating from the tank vent, visible floating scum or sludge layers, high-level alarms on site instrumentation, or wet ground around the tank area. These all can signal that your liquid waste holding tank requires immediate emptying or maintenance.
Our service includes safe access to the holding tank, pumped removal of liquid and sludge using specialist tankers, cleaning of the internal surfaces if needed, transport and disposal of waste to licensed facilities, and provision of full waste-transfer documentation for your records and compliance.
No — we work around your site schedules and plan the tanker access, shut-down windows and scope of works to minimise disruption. For commercial or industrial tanks we offer flexible timing and ensure your system is back online promptly after high-capacity emptying.
Regular emptying prevents solids and sludge build-up, reduces risk of overflow, protects downstream treatment systems, ensures environmental compliance and lowers long-term maintenance costs. It also prolongs the life of your tank and associated equipment in industrial or commercial use.
Please verify safe access for our tanker and crew, ensure any lids or hatches are unlocked and clear of obstructions, provide any site health & safety or permit information, inform us of tank size and content type, and let us know if the tank serves a high-volume industrial site so we bring the correct vehicle and equipment.