SlurryTanks
Farm slurry containment.
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Sizing, regulations, installation. Our team has been answering these questions for over 25 years.
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Modern livestock farms face growing pressure to manage waste responsibly, protect the environment, and stay fully compliant with tightening regulations. That's why investing in high-quality slurry tanks is no longer optional€”it's essential for efficient, secure, and future-proof slurry storage.
Upgrading your slurry management system isn't just about meeting legal requirements. It's about protecting your land, reducing risk, and improving day-to-day farm efficiency. Environmental authorities worldwide are encouraging farmers to modernise their slurry storage through legislation and financial support schemes such as the European Commission Nitrates Directive, the US Natural Resources Conservation Service (NRCS), and the Environmental Quality Incentives Programme (EQIP). These initiatives are designed to help farms transition to safer, more reliable slurry storage solutions.
With increasing focus on water protection and nitrate reduction, farmers must store slurry safely during restricted periods of the year. Choosing a robust, professionally engineered slurry tank ensures you stay compliant, avoid costly penalties, and safeguard your farm's long-term productivity. The right slurry tank gives you confidence, capacity, and control€”everything you need for effective slurry management today and for years to come.
Permastore's unbroken and unequalled heritage in the design, development, manufacture, and supply of premium modular bolted and coated containment solutions make them the first choice in slurry tanks.
Slurry Tanks FAQs
How much slurry storage capacity do I actually need?
Capacity depends on herd size, housing period length and dilution from parlour washings and rainfall. As a rule of thumb, most farms need a minimum of 5-6 months' storage to cover closed periods under Farming Rules for Water, though your local Environment Agency guidance or NVZ rules may require more. We'd always recommend getting a proper slurry storage calculation done rather than guessing, as under-sizing is the most common compliance failure.
What materials are Permastore slurry tanks made from, and why?
Permastore tanks use glass-fused-to-steel panels bolted together on site, giving a smooth, corrosion-resistant surface that copes well with the acidity and abrasiveness of slurry over decades of use. Unlike concrete, the glass coating won't degrade from chemical attack, and unlike some GRP options, the bolted panel system scales easily to very large volumes. It's a proven approach for agricultural waste storage across Europe and the UK.
Do slurry tanks need planning permission or building regulations approval?
Most large agricultural slurry stores require planning permission from your local authority, particularly given proximity rules to watercourses, wells and neighbouring properties. You'll also need to meet Environment Agency requirements on base construction, wall integrity and freeboard capacity if you're in or near a Nitrate Vulnerable Zone. We'd advise checking with your local authority and the Environment Agency before ordering, as site-specific conditions vary.
Can a slurry tank be installed above ground, or does it need to be sunk into the ground?
Permastore slurry tanks are typically installed above ground on a purpose-built concrete base, which simplifies inspection, maintenance and emptying compared with in-ground stores. Above-ground tanks also reduce groundwater contamination risk and are easier to fit with covers or roofs to exclude rainwater and reduce volume. Ground conditions and access for emptying equipment should be assessed as part of your site survey.
How long does installation take and what site preparation is needed?
You'll need a level, engineered concrete base sized to the tank footprint, completed and cured before panel erection begins. Installation of the bolted glass-fused-to-steel panels is relatively quick once the base is ready, though larger capacity tanks naturally take longer to erect. Good site access for delivery vehicles and crane or lifting equipment is essential, so this is worth planning early with your supplier.
What maintenance does a slurry tank need once it's in use?
Routine checks should cover panel seals, bolted joints and any agitation or mixing points for signs of wear or corrosion, along with monitoring freeboard levels to avoid overtopping during wet periods. Covers, if fitted, should be inspected for damage and drainage points kept clear. A well-installed glass-fused-to-steel tank needs minimal upkeep compared with concrete, but an annual inspection is good practice to catch issues early and keep you compliant.