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Settlement Tanks
Discover advanced lamella settlement tanks at Northern Tank Store, designed to optimise the process of water treatment and sediment separation. These tanks are engineered for maximum efficiency and reliability in various commercial and environmental settings.
Find robust and reliable pipe ramps, designed to protect and support pipes and hoses in a wide range of settings. Ideal for managing heavy traffic and ensuring the safety of your equipment and personnel.
Quality Manufactured Water Settlement Tanks
Anyone wishing to discharge silted water must process it. A settlement tank is usually the most effective and efficient way to do so. There are considerable penalties for releasing polluted water into sewers, rivers, streams, lakes and other waterways. Designed to handle large volumes, settlement tanks ensure compliance with Environment Agency guidelines PPG1.Northern Tank Store manufactures a range of industry-leading settlement tanks in various capacities that allow for effective treatment of water at different flow rates. Our range includes tanks with baffle plates and lamella plates for optimised removal of sediment and other contaminants.
What Are Settlement Tanks Used For?
Typical applications for settlement tanks include construction, civil engineering, landscaping, agriculture, quarrying, tunnelling, drilling, utility works and pumping out wastewater from sites and properties.In each scenario involving a standard settlement tank, a pump is fitted to the inlet pipe with water passing through internal chambers as silt is captured. Sediment and contaminants then further settle via gravity from the slowed-down water for extraction after a defined time period.
Lamella settlement tanks provide maximum performance with a small footprint. They can be stacked upon each other for extra capacity. Used in a variety of applications including industrial wastewater, food processing and recycling operations, a tank with a lamella separator divides settled sediment which can be extracted via a removable hopper. A lamella settlement tank does not need to be taken offline for pumping out as standard settlement tanks do.
Selecting The Right Size Settlement Tank
The key thing to consider when choosing a settlement tank is that it must be the correct size for the volume of water that it will handle and discharge while taking into consideration the quantity and type of sediment suspended within the water. The smaller the particle sizes, the longer they will take to settle out and the greater the volume of water, the larger the capacity of the tank lagoon required.Settlement Tanks From Northern Tank Store
Our range of settlement tanks feature all-steel construction, industry-standard inlets and outlets, and lifting points for mobility. We know that lead times can be critical when water becomes a problem on-site, and we can supply standard sized settlement tanks quickly or design bespoke options for specialist projects.We also stock a wide range of tank accessories and fittings including flowmeters, connection pipes and hoses, and particle filters. Require advice on the best settlement tank option for your needs? Our experts are on hand to discuss your needs including choosing the right size of settlement tank. Get in touch to find out more.
FAQs About Settlement Tanks
How does a settlement tank work?
Liquid flows into the tank at a controlled rate, allowing heavier solids to settle at the base. Cleaner water exits the tank through an overflow or outlet system. Regular desludging maintains performance.
What is a lamella settlement tank?
A lamella settlement tank uses inclined steel plates (lamellae) to increase surface area, allowing solids to settle faster in a compact footprint. These are ideal for space-restricted sites or high-flow applications.
What are the advantages of a lamella settlement tank?
Compared to regular settlement tanks, lamella tanks provide a more compact design with faster sedimentation, higher flow capacity, and greater separation efficiency.
When should I choose a lamella tank over a standard tank?
Lamella tanks are a good option when space is limited or where rapid and efficient separation of suspended solids is essential, such as in industrial wastewater treatment or construction dewatering systems.
What are your settlement tanks made from?
All our settlement tanks, including lamella clarifiers, are constructed from high-quality steel. This provides durability, long service life, and resistance to impact and corrosion in demanding environments.
Can these tanks be used as part of a larger treatment system?
Yes. Settlement tanks are commonly used as the first stage in multi-stage systems, often followed by filtration, dosing, or discharge holding tanks.
Can these settlement tanks be used on construction sites?
Absolutely. They are widely used for controlling silt and solids in site runoff water before discharge, helping contractors meet discharge permit requirements.
Are your settlement tanks compliant with UK environmental regulations?
Yes. Our tanks are designed to help sites meet pollution prevention guidelines, discharge regulations, and environmental compliance, especially in construction and waste sectors.
How do I remove sludge from a settlement tank?
Sludge can be removed via drain valves or suction points. Regular desludging is recommended to maintain tank capacity and treatment performance.
What sizes do you offer for settlement tanks?
We offer a wide range of capacities from smaller site tanks to larger volume 9,000 litre tanks. Custom sizes and configurations are also available.
How long is delivery for settlement tanks?
As our settlement tanks are built to order, the best way to get an accurate delivery estimate is to contact us. This also provides an opportunity to discuss any tailored features or specifications you may need.
Do you offer custom settlement tank builds?
Yes. We’re able to manufacture fully bespoke steel settlement tanks tailored to your site’s flow rate, sediment load, and outlet requirements. Optional lamella packs, access hatches, and fittings are also available.


