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Evoqua Water Technologies

The need for ship owners and operators to install an on-board ballast water treatment system was first raised in the early 1990s by marine biologists, who began to link the phenomena of invasive species entering foreign waters to ballast water.

The problem first hit public consciousness when zebra mussels originally from the Black and Caspian seas began colonizing US waters. In the first 20 years since their introduction to the US, they have caused an estimated $1.5 billion in damages on the US side alone.

In response, the International Maritime Organisation's (IMO) convention on Ballast Water was drawn up by the Marine Environment Protection Committee (MEPC) in 2004 as a way to deal with the threat. 

The convention will enter into force on the 08th September 2017 and will require an IMO Type Approved ballast water treatment system (BWTS) to be installed on all new-build vessels and to be retrofitted on existing vessels.

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