screwed

If we take the total available water as at 27 June 2011 of 226 462 megalitres and assume that we can only use 70% of it then we get a total available figure of 158 523 megalitres. Average daily consumption has been around the 238 megalitres of water a day mark. Let us assume that if the water restrictions were lifted that the daily consumption figure would increase to 338 megalitres per day. Now let us see just how long that 158 523 megalitres will last by dividing 338 into 158 … [Read more...] about Port Elizabeth has an Available Water Capacity of 6.61 YEARS