Rainwater Tanks
Rainwater Collection Tanks
Mars rainwater tanks are an easy way to store, collect, and reuse rainwater. Designed as a low profile option for inside or outside rainwater harvesting storage, these rain tanks are perfect for tight storage areas like basements, under decks, or in crawl spaces. Mars rain collection tanks can be made with either potable or non-potable fabrics with NSF and FDA compliant material. Built to contain from 25 up to 210,000 gallons of liquid, they are ideal for rainwater harvesting applications like:
- Residential rain water collection
- Fire sprinkler systems
- Remote area water storage
- Firefighter water supply
- Industrial water storage
- Storage in existing cisterns
- Bladder Tank Sizes and Specs
- Rain Tank Product Flyer
Need more information about Rainwater Tanks? Our team can help! Give us a call at 1-772-646-0597 or fill out our quote request form to discuss your requirements.
Mars Rainwater Tank Advantages
In order to provide you with the best water quailty possible, a drinking water grade liner can be built into these rain collection tanks to help keep your collected rainwater storage safe for drinking. Mars rainwater tanks are constructed with flexible material that rises with the water level. Both the tank and liner are manufactured to meet your requirements. Custom or large rainwater storage tanks may be accomodated upon request. Each Mars rainwater tank is made in the USA.
Rainwater Bladder Tank Features
- Fabric options: non-potable and potable (NSF 61 and FDA compliant) fabrics
- Low profile
- Cistern tank liner prefabricated with tank
- Capable of withstanding exposure to the outdoors
- Standard fittings: (2) 2" fill and discharge fittings
Rainwater Bladder Tank Benefits
- Fits in small or tight spaces
- Folds up for easy storage
- Easy installation
- Multiple Sizes: 25 to 210,000 gallons
- Fits in Crawl Spaces, basements, or under porches
- Barrel Ends - Rounded Corners Available
How much water collection is necessary to supply your home, factory, industry or area? This Water Consumption Calculator can help you determine which capacity tank you might need. See available sizes of rainwater tanks.
Other Flexible Tanks

- Drinking Water Storage
- Gray Water Storage
- Large Capacity Tanks (up to 210,000 gal.)
- Fuel Storage
- Frac Tanks
- Bladder Tank Variety
- Storage Tank Selection Guide
Other Resources
- Collapsible Tanks for Bulk Water Storage
- Fuel Farm Setup for Flexible Tanks
- Collapsible Tank Cold Bond Repair
- Collapsible TankCare & Use
Ready to buy a Rainwater Collection Tank? Our sales team would be happy to assist you! Give us a call at 1-772-646-0597 or fill out our quote request form to discuss your requirements.