Onion Water Tank

Versatile Tank for Temporary Liquid Storage

Onion tanks, also called pumpkin tanks, are versatile, open-top storage solutions designed for quick and efficient storage of both potable and non-potable water. These self-rising tanks are lightweight, easy to store, and simple to deploy, making them ideal for locations requiring temporary liquid storage.

Onion tanks are widely used in firefighting, military operations, emergency relief efforts, and even for tasks like spa cleaning. Their durable and flexible design ensures reliable performance in demanding situations, providing an efficient and portable solution for temporary water storage needs.

Onion Tank Details

Our self-rising onion tanks are designed for efficient and reliable temporary liquid storage. With a flexible open-top design, these tanks allow for easy filling and convenient access, making them highly versatile. Also, they are built from durable materials to ensure safe storage of both potable and non-potable water in a variety of environments. The innovative self-rising design enables the tank to automatically expand as it fills, maximizing storage capacity with minimal effort.

Onion Water Tank Features

• Self Rising Foam Collar - No Inflation Required
• Heavy Duty PVC Material
• Welded Seams for Extended Life
• FDA Approved Potable Water Models Available
• Low or High Side Walls
• 2 1/2" NST Female Flange (standard)
• 1 1/2" - 6" Male or Female Flanges Available
• Ground Covers and Top Covers Available

Onion Water Tank Benefits

• Quick Setup
• Requires No Additional Support or Frame
• Easy Mobility
• Rises on its Own
• Quick Collection, Easy Access, and Fast Fill
• Designed for Use in Multiple Applications
• Compact Storage

Onion Water Tank Fabric Options

• 22 oz. Yellow PVC (up to 2,500 gallons)
• 40 oz. Black PVC
• 30 oz. Black Elvaloy
• 30 oz. PW Blue Elvaloy

Versatile Solutions for a Wide Range of Applications

Designed for rapid deployment, these flexible tanks are indispensable in emergency water supply, firefighting, decontamination, and other critical applications. Their ability to quickly contain leaks, spills, and recovered crude oil helps prevent ground contamination and ensures immediate response after an incident.

These tanks can be strategically placed under leaking equipment, such as pumps, pipes, valves, or vehicles—to efficiently collect escaping liquids. Their self-rising design makes setup effortless, enabling a quick response in time-sensitive situations.

Common Applications of Onion Tanks

• Firefighting
• These tanks provide a reliable and portable water source for firefighting operations, especially in remote or hard-to-access locations.
• Emergency Response
• These tanks ensure an immediate and accessible water supply for critical operations like disaster relief and leak containment.
• Decontamination
• In decontamination efforts, these tanks provide a safe space for cleaning equipment, personnel, and vehicles.
• Secondary Containment
• Onion tanks serve as secondary containment systems, catching spills and leaks to ensure compliance with environmental regulations.
• Construction
• These tanks store water for tasks like mixing concrete, dust suppression, and other project requirements.