Your current location:undefined
Roof type: undefinedRoof area: undefinedTank volume: undefinedFirst flush: undefined
Monthly usage:undefined

You need to select your location from a map below ?

  • Click on the map at a location for which you want to do calculations. You can pan and zoom to find your location.
  • Alternatively, press on the 'auto-locate' button. This should find the approximate position of where you are right now. You will be asked to let your location to be known. It is safe, but if you prefer not to do it, you can still find your location manually.
  • After selecting the location, you can proceed to provide roof and tank parameters.

You have selected location already. But you may change your selection, of course, by clicking on another point on the map...

auto locate?
Please select a roof type?

Roof tile
Corrugated iron
Please input your roof and tank parameters
Roof Area [m2]?
Tank volume [kL]?
First flush??
Select your household type ?

Single household
Family household
Small farm
Small commercial building
Input your average monthly water usage ?

Total usage in calendar months [kl/month] (optional) ?
Water usage during each calendar month