Florida has more than 130 desalinization plants. It is the most expensive water that is produced by utilities in the state. The energy needed to push the water through the filters in the reverse osmosis plants is the most expensive component, but the facilities and the filters which must be replaced frequently are also expensive. Plus, an unforeseen expense at the Tampa Bay Plant is the exotic zebra muscles grow inside the pipes, so the plant must be shut down and divers sent inside the pipes to clean the muscles out.
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