Areas of Concern

IRRWB Twenty Sixth Annual Progress Report

IRRWB Twenty Fifth Annual Progress Report

IRRWB 24th Annual Progress Report

IRRWB 2024 Annual Progress Report

Statement on Concentrated Animal Feeding Operations (CAFO), October 2025

Lake of the Woods - Southern Shore Barrier Island Erosion Investigation

Due to numerous factors, the sediments at Pine, Curry and Sable Islands, located within the International Rainy-Lake of the Woods Watershed, are eroding.

On Quantifying the Value of the Great Lakes

The Great Lakes support a US$6 trillion regional economy. But their value goes well beyond, including benefits such as aesthetics, wildlife habitat, biodiversity conservation, recreational fishing, swimming, boating and aquatic life support. The lakes also provide drinking water to nearly 40…

Ashtabula River Area of Concern Deemed Recovered and Delisted

Ohio’s Ashtabula River, which flows into Lake Erie, was removed from a binational list of “Areas of Concern” in the Great Lakes. This means the river was restored and has recovered from severe environmental degradation it suffered in the previous two centuries.

Supporting Wastewater Utility Nutrient Voluntary Performance Improvement Through Training and Technical Assistance in the Red River Basin

The International Joint Commission has recommended to the governments of Canada and the USA adopt objectives and targets for nitrogen and phosphorus at the Red River international boundary to help address eutrophication concerns in the Red River and Lake Winnipeg.

Life After Delisting: Wide Community Involvement Can Extend Benefits of Restoring Areas of Concern

Restoring and revitalizing designated Areas of Concern in the Great Lakes has long been seen as bringing environmental, health and economic benefits to those regions.