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The five major storage dams supplying Nelson Mandela Bay were at a combined 77.94% of capacity when the latest reading was taken on Monday.
This is marginally down on the 78.17% recorded on the 1st of September.
In releasing the figures, the municipality said the largest dam, the Kouga, was currently at 84.30% of capacity, which is slightly higher than the 84.26% recorded a week ago.
The second largest dam, the Impofu, is at 74.7% - the Churchill at 60.5% - the Groendal at 98.4% and the smallest, the Loerie, at 53.21%.
The municipality has announced that water restrictions will be introduced from the 1st of October.
This follows a prediction that the metro will experience a drought in 2015.