1. Energy and the technology to desalinate water are both expensive, and this means that desalinating water can be pretty costly.

2. The cost of desalination varies; Israel is now desalinating water for a cost of 53 cents per cubic meter, Singapore at 49 cents per cubic meter.

3. The largest desalination plant in the US is the one at Tampa Bay, Florida, which began desalinating 25 million gallons (95000 m3) of water per day in December 2007.