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Onion Tanks

Self-Rising Onion Tanks for Temporary Water Storage

onion tanksOnion Tanks, also known as pumpkin tanks, are a flexible open-top storage tank designed to help locations successfully store a range of potable and non-potable water. Great for any location in need of temporary liquid storage, these self-rising onion tanks can be easily stored and quickly deployed. Their fast set up and easy fill has made them the ideal choice for firefighting, military operations, emergency relief, spa cleaning, or other areas in need of temporary liquid storage.

Questions? We can help! Call us at: +1-863-261-8388 or request a quote to discuss your project.

Onion Tank Features

onion tanks
  • 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 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 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

Low Side Onion Water Tank Specifications

Capacity (Gal) Capacity (Ltr) Base Diameter Filled Height
250 Gallons 946 L 5'10" (1.8 m) 28" (0.7 m)
500 Gallons 1,893 L 7' (2.1 m) 32" (0.8 m)
750 Gallons 2,839 L 8'4" (2.5 m) 33" (0.8 m)
1,000 Gallons 3,785 L 9'5" (2.9 m) 33" (0.8 m)
1,500 Gallons 5,678 L 11'9" (3.6 m) 32" (0.8 m)
2,000 Gallons 7,570 L 13' (3.9 m) 32" (0.8 m)
2,500 Gallons 9,463 L 14'3" (4.4 m) 32" (0.8 m)
3,000 Gallons 11,355 L 15'3" (4.8 m) 34" (0.9 m)
5,000 Gallons 18,927 L 18'2" (5.5 m) 33" (0.8 m)
6,000 Gallons 22,719 L 21'6" (6.6 m) 33" (0.8 m)
10,000 Gallons 37,854 L 26'9" (8.2 m) 33" (0.8 m)

High Side Onion Water Tank Specifications

Capacity (Gal) Capacity (Ltr) Base Diameter Filled Height
500 Gallons 1,893 L 5' (1.5 m) 36" (0.9 m)
1,000 Gallons 3,785 L 8' (2.4 m) 44" (1.1 m)
1,600 Gallons 6,056 L 9' (2.7 m) 44" (1.1 m)
1,800 Gallons 6,813 L 9' (2.7 m) 46"(1.2 m)
2,000 Gallons 7,570 L 11'9" (3.6 m) 48"(1.2 m)
2,500 Gallons 9,463 L 12'8" (3.9 m) 48" (1.2 m)
3,000 Gallons 11,355 L 14'2" (4.3 m) 48" (1.2 m)
5,000 Gallons 18,927 L 16'2" (4.9 m) 60" (1.5 m)
6,000 Gallons 22,712 L 16'2" (4.9 m) 65" (1.7 m)
8,000 Gallons 30,283 L 19'5" (5.9 m) 65" (1.7 m)
10,000 Gallons 37,860 L 19' (5.8 m) 80" (2 m)

*Larger Sizes for Onion Tanks are Available Upon Request

Questions? We can help! Call our team at 1-863-261-8388 or fill out our quote request form to discuss your requirements.

Onion Tank Applications

onion tanksThe onion tank has been used in different applications including emergency water supply, decontamination and fire fighting efforts. These tanks are quickly deployed to be able help contain leaks, spills, and recovered crude oil and prevent ground contamination as soon as an incident happens. When used in response to a leak, the onion tank can be placed under a leaking part, pump, pipe, valve, or vehicle to collect liquid as it flows from your device.

  • Firefighting
  • Emergency Response
  • Water Relay
  • Potable Water
  • Water Storage
  • Construction
  • Mixing Tank (Fire Retardant)
  • Hazardous Waste
  • Decontamination
  • Secondary Containment

Read customer questions about our onion tanks:

Questions? We can help! Call our team at 1-863-261-8388 or fill out our quote request form to discuss your requirements.