Rainwater Harvesting

underground water tanks rainwater harvesting

The Atlantis Rainwater Harvesting Re-use System has proven effective in providing a regular clean water supply for domestic and commercial applications. If living in a greener world and understand that recycling such a precious commodity is a greater approach to sustainable living, our Rainwater Harvesting systems are your answer.

How It Works

The system captures water from both landscaped areas through surface infiltration and from roof areas which are filtered through an Atlantis Filtration Unit. Clean water is retained within the storage area away from harmful U.V. light and heat remaining cool underground readily available for reuse.


Typical applications include flushing toilets, in washing machines, watering gardens and washing cars.


Contact Us

Enquiry Form

Atlantis America Website Enquiry
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Rainwater Harvesting Tank Installation

excavation of underground water tanks

Excavation for underground water tank

installing underground water tanks

Installation for underground tank

wrapping tanks in geotextile

Wrapping in Geotextile

completed water tanks for water storage

Completed Rainwater System


The Atlantis underground water tank system is a modular sub surface system that can be constructed to hold any volume required. The underground location of the water tanks frees up space for landscaping, living space or driveway use while also ensuring optimal conditions for retaining water is always maintained. Macro and micro pollutants are completely kept out of the system through an Atlantis Filtration Unit.


Ideally Installed Into

  • Sports Fields
  • Parks & Gardens
  • Car Parking Lots
  • Community Land

Collect and Purify Stormwater From

  • Roads
  • Car Parking Lots
  • Sport Fields Runoff
  • Urban Runoff
  • Rooftops

Flo-Tank Specifications

   table mini matrix  table single matrix  table double matrix  table triple matrix  table quad matrix  table penta matrix
PART NUMBER 70010 70003 70004 70005 70006 70007
HEIGHT (in) 9.45" 17.72" 34.65" 51.57" 68.50" 85.43"
WIDTH (in) 16.06" 16.06" 16.06" 16.06" 16.06" 16.06"
LENGTH (in) 26.77" 26.77" 26.77" 26.77" 26.77" 26.77"
HEIGHT (mm) 240mm 450mm 880mm 1310mm 1740mm 2170mm
WIDTH (mm) 408mm 408mm 408mm 408mm 408mm 408mm
LENGTH (mm) 685mm 685mm 685mm 685mm 685mm 685mm
MODULE FOOTPRINT - METERS 0.2795 m2 0.2795 m2 0.2795 m2 0.2795 m2 0.2795 m2 0.2795 m2
MODULE FOOTPRINT - FEET 3 ft2 3 ft2 3 ft2 3 ft2 3 ft2 3 ft2
WATER STORAGE IN LITRES 64.58 119.47 233.64 347.80 461.93 576.10
WATER STORAGE IN GAL 17.06 31.56 61.72 91.88 122.03 152.19

Tel: +1 360 714 6553