Bladder Water Tanks for Safe Water Storage Liquid Tanks made in USA

MARS Water Storage Bladder | Safe Drinking Water

bladder water tanks

MARS bladder water tanks are built for safe water storage, made with durable fabric that satisfies NSF 61 and FDA requirements for potable water storage. MARS flexible water storage bladders or pillow tanks are designed to lie flat when empty, and can be easily folded, stored and shipped to your business or event. Standard sizes range from 25 to 210,000 gallons, but we also manufacture custom bladder tanks. Mars bladder tanks can be manufactured in pillow tank, bladder tank or barrel end tank design. Water storage bladders for safe drinking water storage are commonly used in the following locations:

  • Construction Sites
  • Industrial Facilities
  • Hospitals
  • Retirement Homes
  • Events and Concerts
  • Emergency Relief Efforts (FEMA)
  • DOD Military Operations
  • Remote Islands
  • Resorts
  • Farms and Rural Areas
Questions? We can Help! Call us at +1-772-646-0597Request a Quote

Note: Bladder tanks are specifically designed for temporary and stationary water storage.

Bladder Water Tanks Built for Safety and Durability

MARS tanks come with (2) x 2" bulkhead fittings for fill and discharge. See full bladder tank specs, capacity, and dimensions page. Additional sizes and fittings* are available upon request.

Mars Pillow Tank Test
Large Potable Tank Testing Liquid Tanks made in USA

All MARS drinking water tanks are manufactured using state of the art heat welding techniques. To ensure product performance, each MARS water storage tank (no matter the size, large or small) undergos a rigorous 4-point inspection before shipping (pictured right).

Learn More about MARS Bladder Tanks

Bladder water tanks are constructed using a robust fabric material that offers a high resistance to UV rays, heat, cold, and other outdoor storage conditions. Bladder pillow tanks are constructed using an FDA and NSF 61 approved fabric that meets compatibility requirements for storing drinking water. Water storage bladders are often used in green construction for residential drinking water in rural areas, resorts and island living or event management such as concerts or marathon races. Bladder tanks are also included in business and medical center emergency preparedness or hurricane plans and are perfect for drinking water storage during disasters and emergency relief efforts.

Product Flyer Product Flyer
Install Instructions
Fabric NSF 61 and FDA Compliant
Sizes Specs and Dimensions

Drinking Water Bladder Features:

  • Storage Capacity: 25 - 210,000 gallons
  • Contact Times: 1-7 years, depending on the fabric type
  • Fabric: Meets FDA and NSF 61 requirements for potable water storage tanks
  • Barrel Ends - Rounded Corners Available

Drinking Water Bladder Benefits: water bladder tank

  • Folds flat and compact when empty
  • Drinking water approved interior
  • Multiple sizes and styles
  • Easy to transport
  • Fast set up in the event of an emergency

*Please discuss required fill and discharge options, support, fasteners, ground anchors, berm/ground liners, shade shelters, etc. with a GEI Works specialist, to ensure smooth in-field operations.

Rounded Corner or Barrel End Bladder Tank Advantages: water bladder tank

  • More accurate capacity
  • Better fitting placement
  • Space saving
  • Improved design


Water Storage Bladder Fittings

  • Standard: (2) 2" Bulkhead Fitting with Nipples & Cas
    Optional Fittings:
  • 3" and 4" Available Upon Request.
  • Ball Valves, Pressure Relief Vents and Caps
  • Ports for Periodic Cleaning and Inspections
  • Ground Cloth
  • Emergency Plugs
  • Repair Kits
  • Operational Spare Parts
  • Pressure Relief Valves

Questions? Call us at
+1-772-646-0597
or request a quote.


Sizes for these bladder water tanks range anywhere from 25 to 210,000 gallons. To see sizing and specifications on each size of these tanks, check out our Collapsible Tanks Specifications Page. In addition to our water storage options, collapsible tanks are also available for the storage of fuel.


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