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Antigua and Barbuda
Annual water withdrawal in 1990 was about 5 million m3, of which the municipal sector accounted for 60 percent and agriculture and industry accounted for 20 percent each.
In 2005, annual water withdrawal was about 8.4 million m3, of which the municipal sector accounted for 5.3 million m3 or 63 percent, the industrial sector accounted for 1.8 million m3 or 21 percent and the agricultural sector accounted for 1.3 million m3 or 16 percent.
In 2012, water withdrawal is estimated at 11.5 million m3, of which the municipal sector accounted for 7.2 million m3 or 63 percent, the industrial sector accounted for 2.5 million m3 or 22 percent and the agricultural sector accounted for 1.8 million m3 or 15 percent (Figure 1 and Table 3).
The sources of water in Antigua are as follows (Figure 2):
- Reverse osmosis plants: 7.1 million m3, or 62 percent of total, of which 5.1 million m3 by Sembcorp, 1.0 million m3 by APUA Camp Blizzard plant, and 1.0 million m3 by Ffryes Beach reverse osmosis plant.
- Water treatment plants: 3.7 million m3, or 32 percent of total, of which 2.5 million m3 by Delapps water treatment plant and 1.2 million m3 by Bendals water treatment plant. This water is partly used directly and partly stored as secondary freshwater in the reservoirs together with primary freshwater.
- Groundwater: 0.7 million m3, or 6 percent of total.
Barbuda produces approximately 0.041 million m3/year of desalination water to meet the needs of the residents of Barbuda.