There is a variety of portable water tanks available on the market today including collapsible pillow tanks, self-supporting onion tanks and folding frame tanks. Portable water tanks can hold up to 20,000 gallons of potable water.
Collapsible pillow tanks can hold from 25 to 5,000 gallons and most resist chemical contamination, solar heat and mildew. Aluminum and steel folding frame tanks are designed to hold up to 5,000 gallons of potable water and can be set up easily and quickly. Self-supporting onion tanks can hold up to 20,000 gallons of potable water and can easily be set up and filled by one person.