Ecochlor Ballast Water Treatment

Regulatory Approvals

Ballast water standards have been established
by the International Maritime Organization (IMO).

Regulatory Approvals

In 2004 the International Maritime Organization (IMO) established ballast water treatment standards. The US Coast Guard and various states in the Untied States have proposed even more stringent standards. Certification of ballast water treatment systems that can meet or exceed those standards is now a major priority.


Ecochlor's first two ship installations were aboard the con/ro ship Atlantic Compass and the bulker carrier Moku Pahu. Both ships were accepted into the US Coast Guard’s Shipboard Testing and Evaluation Program (STEP) in 2008.


The Ecochlor BWTS achieved IMO G9 Final Approval in September 2010 at the 61st session of the IMO Marine Environment Protection Committee (MEPC61). Land-based testing was conducted at the Royal Netherlands Institute for Sea Research (NIOZ) and shipboard testing was completed on the bulk carrier, Moku Pahu, in California in March 2011.


Ten consecutive test cycles were conducted under IMO G8 guidelines on land and shipboard over two years with no surviving organisms after treatment – all zeros. This data demonstrates that Ecochlor systems can satisfy the proposed stringent standards of the United States.


IMO Type Approval for the Ecochlor® Ballast Water Treatment System was received from BSH in Germany in 2011, confirming that Ecochlor systems comply with the 2004 IMO International Convention for the Control and Management of Ship’s Ballast Water and Sediments.



IMO Type Approved - System Capacities to 16,000 m3/hr.

  1. US EPA FIFRA Registered

    US EPA FIFRA Registered

  2. US Coast Guard STEP Approved

    US Coast Guard STEP Approved

  3. IMO Final Approved

    IMO Final Approved

  4. Type Approved, BSH Germany

    IMO Type Approved
    BSH Germany

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