Chicago

Illinois, Michigan, and Vermont Attorneys General Sue EPA to Reinstate Strict Ballast Water Standards Protecting Great Lakes

AI Assisted Icon
Published on December 30, 2025
Illinois, Michigan, and Vermont Attorneys General Sue EPA to Reinstate Strict Ballast Water Standards Protecting Great LakesSource: Google Street View

Illinois Attorney General Kwame Raoul has entered a legal battle alongside Michigan's Dana Nessel and Vermont's Charity Clark, challenging the EPA's latest moves on ballast water standards, the trio filed an amicus brief with the U.S. Court of Appeals for the D.C. Circuit. In hopes of combating the EPA's decision that dilutes protections against invasive species brought in by ships, they're urging the court to step in and reverse the new, looser regulations.

At the heart of the dispute is a 2018 update by Congress to the Clean Water Act, called the Vessel Incidental Discharge Act (VIDA), which commanded the EPA to maintain ballast water discharge standards at least as strict as previous permit requirements with very few exceptions but in 2024, the EPA set new standards that abandoned uptake limitations, and although the EPA claimed the permit requirement was unenforceable, the move sparked fears of environmental setbacks. The Great Lakes, treasured resources that they are, find themselves at risk, with Raoul noting, "I will continue to advocate for our waters and protect our communities from preventable damage," according to a statement from his office.

With the existing threat of zebra mussels, which have already wreaked havoc leading to substantial economic burdens—costing up to $200 million annually in the Great Lakes region—the discovery of golden mussels at a California port signalled a red alert that the problem could cascade forwards without these critical protections. The attorneys general argue in their brief that the EPA's revisions fly in the face of VIDA’s instructions and dismiss state evidence proving successful enforcement of the previous uptake requirements.

Raoul and his colleagues are standing their ground not only for the ecosystems of the Great Lakes but also for legal precedent; their challenge asserts that EPA's maneuver sidestepped legal mandates and underplayed the gravity of the invasive species threat—it's a complex issue that transcends simply water regulations, it’s a fight for ecological preservation, the waters are not merely shipping lanes, they are the lifeblood of numerous habitats, economies, and communities, asserting a clear call for judicial intervention.