DULUTH — Federal regulators said new ships on the Great Lakes will need to install ballast water treatment systems, but existing ships that travel exclusively in the Great Lakes and St. Lawrence ...

The U.S. Environmental Protection Agency on Thursday issued its final version of regulations for ships that carry ballast water, hoping to prevent them from also carrying invasive species into U.S.

The U.S. Environmental Protection Agency has finalized new ballast water regulations that exempt existing Great Lakes ships from having to install onboard treatment. On Tuesday, Sept. 24, the EPA ...

Ballast water sample. Image courtesy SGS. After much discussion and three rounds of votes, text for the interim guidance for ships ballasting in challenging, high sediment water was finally approved ...

It was never going to be realistic to expect treated ballast water to have zero viable organisms on discharge. The G8 guidelines that define the type approval process for ballast water treatment ...

The discharge of ballast water used to balance a ship is a real man-bites-dog story. This is an issue where environmental groups, public health organizations, businesses, trade associations, tribes, ...