Plastic Pollution in the Great Lakes: Challenges and Industry Responses

Over 40 million individuals in the United States and Canada rely on the Great Lakes for their drinking water. This water, while treated, contains microplastics composed of toxic chemicals associated with cancer and various diseases. Fish, a mainstay in Midwestern culinary traditions and vital for Indigenous tribes and certain immigrant groups, are also affected.

Despite the evident pollution, regulatory measures are absent. Meanwhile, plastic production is on the rise in the U.S. The Chicago Tribune is examining the complexities of plastic pollution, focusing on the Great Lakes as they are the largest fresh surface water source globally.

Industry leaders, when questioned about pollution, have often redirected blame to consumers. This tactic is similar to those used by Big Tobacco, as revealed by a Tribune investigation of numerous government, scientific, and internal industry documents. Supported by the Pulitzer Center’s StoryReach U.S. initiative, this series will address the proliferation of plastic waste in the Great Lakes, its health risks, and potential solutions.

Researcher Sherri Mason from Gannon University noted that plastic pellets, no bigger than a grain of rice, scatter across the ground where they transition from rail cars to trucks for local manufacturing. This was observed on May 1, 2026, in Erie, Pennsylvania.

The Tribune’s analysis indicates that as plastics congest the Great Lakes, industries continue to promote production while minimizing the associated risks. Powerful corporations have often understated the dangers of plastics and exaggerated recycling capabilities. Discover more in part 1 of the series.