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Rainwater Harvesting
Rainwater Calculator
Postcode:
Your closest weather station is:
Roof Area (m
2
):
Do you know how much water you currently use?:
Yes
No
Number of Occupants:
Water Usage Level:
Low (Around 0-150kL annually)
Medium (Around 151-500kL annually)
High (More than 500kL annually)
How do you expect to use the collected rainwater?:
Shower
Kitchen Sink
Toilet
Taps
Dishwasher
Washing Machine
Do you have a garden?:
Yes
No
Garden Type:
Lawn
Waterwise
Pots
Garden Irrigation Type:
Subsurface
Sprinklers
Hand Watering
Total Garden Area (m
2
):
Wet season for your location:
Northern (October - April)
Southern (April - November)
Insert your monthly rainwater needs (kL):
January:
February:
March:
April:
May:
June:
July:
August:
September:
October:
November:
December:
Please select a tank size:
3,000 Litres
5,000 Litres
10,000 Litres
22,700 Litres
25,000 Litres
Please select a tank shape:
Round
Slimline
Please select a tank material:
Steel
Poly
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