GOING BACK TO THE QUESTION OF WHAT VOLUME OF WATER NEEDS TO BE STORED FOR A FAMILY OF 4 OVER 3 DRY MONTHS
From my data of Melbourne a water efficient household uses 750- 1200L of water per person per week
water usage data
Lets allow 1000L per person per week over 13 dry weeks.
1000L x 4 people x 13 weeks gives a required stored water volume of 52,000 L
MY EXAMPLE EARLIER IS INCORRECT.
HAVING BEEN ASKED TO EXPLAIN, I WENT THROUGH MY NOTES AND REALISED I HAD EXCLUDED SHOWERING AND KITCHEN USE.
I AM WORKING AT NIGHT HERE, PERHAPS I RUSHED I AM SORRY.
BUT I CANNOT YET EDIT THE OLD POST.
SO 52,000L needs to be stored not 26,000L