Underground Polyethylene Cisterns

Advantages:

  • Can be an economical underground storage solution for water
  • Aesethically pleasing option since the tank(s) will be out of sight
  • Complete protection from any UV sunlight degradation over time
  • Available in a wide variety of sizes and capacities
  • Provides strength and durability for years of reliable performance
  • Can be food grade, NSF approved for drinking water storage if a liner system is used inside the tank

 

Disadvantages:

  • Tanks are only available up to about 2,500 gallons, meaning that if you wanted more storage than 2,500 gallons then you will have to install multiple tanks which increases the per gallon installed cost
  • Excavation and the haul-off of soil materials to bury these cistern can add a lot to the total cost of the rainwater collection system
underground poly tanks by pool
Underground poly tanks installed under pool patio

Did you know...

During an average year of rainfall, a typical 2,000 square foot house in Austin could collect almost 40,000 gallons of rainwater.

Don’t Waste This Opportunity

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