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Specialty Water Tanks

plastic holding tanksSpecialty Plastic Holding Tanks are uniquely constructed tanks designed to keep water stored in small, tight or restricting places. Made in multiple styles and capacities, these tanks have allowed customers to fit rigid tanks through doorways, height restricted areas and other smaller storage spaces.

All tanks are made from a reliable polyethylene material and are available in a 250, 300, 400 and 500 gallon model. Whether you need to store drinking water, gray water or collect rainwater, these tanks are the perfect solution!

plastic tanks webstore

Looking for Pricing? Check out these tanks in our Plastic Tanks Web Store.



  • Polyethylene Exterior
  • Freestanding
  • Smaller Widths to Allow for Entrance into Doorways
  • Rated for Water Storage
  • Specific Gravity: 1.5 at 73°


  • Fits in Small Storage Spaces
  • Allows for Entry through Doorways
  • Equipped for Successful Water Storage
  • High Resistance to Rust and Corrosion
  • Sides on its Own
Plastic Water Tanks
Part Number Capacity (gal) Size (L x W x H)
42337 200 gal. 62" x 29" x 40" 
41869 300 gal.  62" x 29" x 40"  
41247  400 gal.  63" x 30" x 68"
43616 500 gal.  74" x 31" x 70"  

The specialty water tanks are designed for unique storage locations or special storage requirements. To meet these needs, tanks are often built with either a low profile or slender design that allows them to fit in height-restricted storage spaces.

Slender polyethylene tanks are additional built to fit through doorways, providing an easier way for you to store materials inside your actual location. This can be especially useful during potable water storage as it allows you to store an emergency supply of water right inside your home.

Other Plastic Tanks:

Drinking Water Plastic Holding Tanks: In addition to these specialty water tanks, we also offer several tanks for drinking water including water storage tanks with a green or black exterior. As opposed to the standard white or translucent material, these darker materials are equipped to block out light and prevent the growth of algae within the tank.