The early January rain has led to a decrease in the amount of water being used at Dubbo compared to last year.
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Dubbo City Council water supply and sewerage services client services co-ordinator Kathryn McAlister said in the first two weeks of January this year an average of nine million litres less water was used compared to the same time period in 2014.
Compared to 2013 there's an even bigger decrease in Dubbo's water usage.
"In the first two weeks of January 2015 Dubbo used 27 million litres of water less than in the first two weeks of January 2013 which equates to a 51 per cent decrease in water usage from January 2013 to January 2015," Ms McAlister said.
The majority - 69 per cent - of water used in the first two weeks this year was by residential customers, followed by commercial usage at 11 per cent.
Industrial usage accounted for 10 per cent of the water used in the fortnight, while industrial usage was only 2 per cent.
"Local rainfall and population growth are the two key determinants of water use in Dubbo. Population growth increases total demand while the extent of local rainfall influences how much water the Dubbo community use," Ms McAlister said.
In the 2012-13 financial year there was 464 millimetres of recorded rain and 7889 million litres of water were used at Dubbo.
In comparison, in the 2011-12 financial year there was 851 millimetres of rain and only 5397 million litres of water were used.
The average water consumption per person from Wednesday 14 to Tuesday 20 was 370 litres per day, which ranged from 217 litres per person on Wednesday to 483 litres on Sunday.
Council's draft Demand Management Plan has forecast that 10, 270 million litres will be used by the city in 2043 based on an increase in population growth.
Bathurst has also recorded lower levels of water usage.
Bathurst Regional Council water and waste manager Russell Deans said the city has used only 20 million litres of water per day during December.
Normally in summer the figure would be closer to 30 million litres.