Drum Storage Solutions

Drum storage solutions are not just about keeping containers tidy. They are a practical way to prevent leaks, reduce fire and slip risks, protect drains and watercourses, and demonstrate environmental compliance. If your site handles oils, chemicals, fuels, solvents, coolants, detergents, or waste liquids, choosing the right drum storage system helps you control routine handling risk and respond quickly if something goes wrong.

This page uses a question-and-solution format so you can match the right storage option to your operations, whether you are storing a single 205 litre drum in a workshop or managing multiple pallets of drums in a COMAH-adjacent or high-risk area.

Question: What is a drum storage solution and why does it matter?

Solution: A drum storage solution is a defined method and equipment set used to store drums safely while controlling leaks and spills. It typically includes secondary containment (bunding), safe stacking and access, clear labelling, and a spill response plan. For many sites, the goal is simple: keep liquid off the floor and out of drains, while supporting efficient day-to-day use.

Where drums are stored near sensitive areas (doorways, drains, loading bays, watercourses), the consequences of a small leak can be outsized. The Health and Safety Executive (HSE) highlights that containment and good housekeeping are central to preventing pollution incidents and reducing harm where hazardous substances are present. For higher-hazard operations, additional controls are expected, including robust spill control arrangements and trained response. Source: HSE COMAH information.

Question: What is the biggest cause of drum spills on industrial sites?

Solution: The most common causes are routine handling and predictable failure points: poor decanting practice, damaged bungs, forklift impacts, corroded drums, poorly supported racking, and uncontrolled storage near traffic routes. The most effective drum storage solutions address these failure points by combining:

• Bunded containment sized for credible leaks.
• Stable storage to prevent toppling and impact damage.
• Defined decanting areas (ideally bunded) to control drips and overfills.
• Spill response equipment positioned where incidents actually occur.

If you operate in a COMAH-adjacent environment, treat drum storage as a prevention control, not just a housekeeping task. The higher the hazard and the closer storage is to drains or the perimeter, the more you should prioritise engineered containment, procedural controls, and readily available spill kits. Related context: effective spill control in COMAH-adjacent drum storage.

Question: Which drum storage option should we choose: bunded pallets, drip trays, or cabinets?

Solution: Match the drum storage solution to the liquid type, drum quantity, and how you work. Common choices include:

Bunded drum pallets (most common for 205L drums)

Use bunded pallets when drums are stored upright and accessed by forklift or pallet truck. They provide integrated secondary containment for leaks, while keeping the footprint compact. This is often the simplest route to improved spill control in warehouses, workshops, and production support areas.

Drip trays (targeted control under taps and small containers)

Use drip trays for smaller leak points and decanting areas, or where you need localised containment under a valve, pump, or dosing station. Drip trays are not a substitute for full bunding where credible loss could exceed the tray capacity, but they reduce daily housekeeping issues and slip hazards.

Bunded storage for multiple drums (higher capacity, higher control)

For higher volumes, consider a bunded store or bunded area that keeps multiple drums within a single controlled zone. This can improve inspection discipline, reduce traffic interactions, and provide clearer zoning for incompatible liquids.

Flammable or chemical storage cabinets (control plus segregation)

Where liquids are flammable or require controlled storage, cabinets help with segregation and access control. Use cabinets as part of a wider containment strategy, ensuring any leakage is still managed and that decanting is controlled.

Question: How do we keep drum storage compliant in the UK?

Solution: Build your drum storage approach around three practical compliance themes: preventing pollution, managing hazardous substances safely, and having an effective response plan.

• Environmental protection: Prevent contaminated liquids reaching drains, ground, or watercourses. UK regulators expect proportionate measures to prevent pollution incidents. Source: UK Government guidance on oil storage.
• Safety and risk control: Reduce manual handling, fire risk, chemical exposure and slips. Ensure safe access, stable stacking, and clear labelling. Source: HSE.
• Spill response readiness: Position spill kits near storage and decanting points and train staff. Response time matters most where there are drains, thresholds, or external doors nearby.

For COMAH sites and COMAH-adjacent operations, expectation increases: you should evidence controls, inspections, maintenance, and emergency readiness. Source: HSE COMAH.

Question: What bund capacity do we need for drum storage?

Solution: As a working rule, secondary containment should be sized to capture a credible loss (for example, a single drum failure or a foreseeable spill during transfer). The exact requirement depends on your liquid, location, and risk profile. A practical approach is to:

1. Identify the largest container and the maximum credible leak scenario.
2. Consider rainwater exposure if storage is outdoors (covered storage reduces risk and maintenance).
3. Account for operational realities: decanting, pumps, and frequent drum movements increase spill likelihood.
4. Build in a safety margin and keep the bund usable (avoid filling the containment area with loose items).

If you want help selecting bund capacity for your layout, contact Serpro with drum count, drum sizes, liquid types, and whether storage is internal or external.

Question: How should we set up a drum storage area to reduce spills?

Solution: Set up your drum storage area to control both routine drips and worst-case leaks:

• Choose a stable location: avoid slopes, door thresholds, and high-traffic pinch points.
• Protect drains: keep drums away from drainage runs where possible and use drain protection where needed.
• Zone by compatibility: separate acids, alkalis, oxidisers, fuels, and general oils to reduce reaction risk.
• Define decanting points: use bunded pallets or trays under taps and pumps and keep absorbents close by.
• Include inspection routines: weekly visual checks for corrosion, bulging, damaged bungs, and staining.
• Make spill kits visible and accessible: place them at the storage point and at the exit route to stop spread.

Question: What spill control products support better drum storage?

Solution: Combine engineered storage with spill response equipment so you can both prevent and deal with incidents quickly:

• Spill kits: choose general purpose, oil-only, or chemical spill kits based on the liquids stored.
• Absorbents: pads, socks and granules for quick control around bungs, taps, and pallet edges.
• Drain protection: drain covers or blockers for sites where a spill could reach drainage before it is contained.
• Drip trays: for decanting and under pump points to reduce daily drips and slip risk.

Browse Serpro spill response and containment options via the main site navigation and product categories. For broader spill planning in higher-hazard areas, see: spill control in COMAH-adjacent drum storage.

Question: What does good drum storage look like in real working environments?

Solution: Use these site examples to sense-check your own setup:

Warehouse and loading bay

Store inbound drums on bunded pallets away from dock edges and drains. Put a spill kit at the dock door and another at the bunded storage zone. Use clear signage and keep forklift routes separated from drum rows.

Engineering workshop

Keep oils and coolants on bunded pallets near point of use, with drip trays under decant taps. Oil-only absorbents reduce waste where water-based liquids are present but the main risk is hydrocarbons.

COMAH-adjacent process support area

Use a dedicated bunded store with controlled access and documented inspections. Keep drain protection close and ensure responders can deploy absorbents rapidly, especially near external doors and yard drainage. Align your controls with the level of hazard and the potential for off-site impact. Source: HSE COMAH.

Question: What are the next steps to improve our drum storage solution?

Solution: Start with a quick improvement plan you can implement immediately:

1. List stored liquids, drum sizes, and quantities.
2. Map your nearest drains, doorways, and yard runoff routes.
3. Choose bunded drum storage sized to your credible spill scenario.
4. Add local drip control at taps and decant points.
5. Place spill kits where leaks would happen, not where they are convenient to store.
6. Train staff and set inspection frequency based on handling rate and risk.

If you want a recommendation, share your drum count, liquid types, storage location (indoors/outdoors), and handling method (forklift, pump, gravity tap). Serpro can help you select practical drum storage solutions that improve spill control and support compliance.

Citations: Serpro blog: effective spill control in COMAH-adjacent drum storage; HSE: Control of Major Accident Hazards (COMAH); GOV.UK: storing oil at a home or business; HSE.