Urban Rainwater harvesting.

[Devonian]

(8 August 2014, 18:41)Mortblanc Wrote:

(8 August 2014, 17:10)Devonian Wrote: I'd be interested to see how you got to your 3000L calculation?

You are kidding, correct?

M x mm=L

roof measurement (sq/M), times millimeters of rain per year, equals liters of water collected.

You mis-understand MB!

I was more interested in understanding LS's calculation of the following, which he has now explained:

"...3,000 litres of pre-stored water, topped up with harvested rainwater, has the potential to keep a family of 5 or 6 supplied indefinitely with sufficient water for survival...."