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XerxesRainwater Harvesting Tanks

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Harvesting rainwater can be key component in addressing water shortages. Homes, businesses and communities can all benefit from the corrosion-resistant fiberglass rainwater storage tanks that Xerxes provides. With concern about diminishing supplies of water, it’s never been more important to make every attempt to collect and reuse water. Harvested rainwater can easily be used for irrigation and landscaping, and when treated it can supply greywater or even potable water. For potable water use, our tanks can be shipped as NSF 61-listed tanks. 

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Xerxes tanks meet – or exceed – industry standards

IAPMO/ANSI Z1002 
Tanks can be manufactured to comply with the IAPMO/ANSI Z1002 standard, which covers rainwater harvesting tanks and specifies requirements for design, materials, manufacture, performance, testing, and markings. 

 NSF/ANSI 61 – Drinking Water System Components – Health Effects 

If required, the Xerxes tank can be manufactured as NSF-listed (and labeled).  

Why choose a Xerxes rainwater harvesting tank?

  • Designed to be 100% watertight
  • Single-tank capacities from 600 to 60,000 gallons
  • Designed to withstand H-20 / HS-20 axle loads
  • Underground installation optimizes land use