Besides the cooling intakes system on a boat water treatment plants are also damaged by the microscopic invasive free-swimming larvae of the zebra mussel. Fortunately Georgia has not been invaded by the zebra mussel but we must work at it to keep it that way. The zebra mussels cling to water pipes and clogs them. The invasive mussel likes a cool water way and high humidity. An invasion of this mussel has even reduced water supplies during drought.