An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Vessel Technical Studies

The following two documents include a SAB report and its response evaluating the status of ballast water treatment technologies. The July 2011 report found that systems exist to meet the International Maritime Organization (IMO) standard, and some of those systems may achieve a limit 10 times the IMO standard. However, due to the detection limitations of current monitoring technology and approaches, the SAB could not definitively determine whether systems could meet this more stringent limit. 

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.