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Mar 27, 2024 · Learn about the 25 remaining U.S. AOCs in the Great Lakes basin, where human activities have impaired beneficial uses of the water. Find out how EPA and other agencies are restoring these areas and improving water quality.
- Implement Management Actions
- Monitoring
- Beneficial Use Impairment Removal
- AOC Delisting
- Measuring Progress
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Through various funding mechanisms under the GLRI, management actions are implemented within AOCs. Management actions are typically sediment remediation or habitat restoration projects, although other types of projects can be incorporated into the management action lists. Other remedial actions by other programs may also take place within AOCs. Onc...
Data are collected to assess whether BUI restoration targets have been met. Studies may span several years and are a collaboration between federal agencies, state agencies, tribes, and other partners. Depending on the nature of the BUI, monitoring plans may include one or more of the following activities: 1. Field sampling work, or physical paramet...
Once monitoring verifies the BUI removal criteria have been met, a BUI can be removed. This requires agreement between the local advisory group, the community, and the state, followed by review and approval by EPA. The EPA guidance document Restoring United States Great Lakes Areas of Concern: Delisting Principles and Guidelinesstates: Re-designati...
Once monitoring has shown that the restoration targets for all BUIs have been met, the state or EPA can initiate the process of formally delisting the AOC. A “Final Delisting Report” will provide the documentation for delisting the AOC and will include: a summary of the remedial measures taken; the status of the beneficial uses; and details on how ...
The GLRI Action Plan defines the course to address pressing Great Lakes environmental problems, such as those in AOCs. The Action Plan also sets targets to show progress in improving environmental conditions. GLRI Action Plan III, which guides GLRI work from 2020 through 2024, identified three measures of success for the AOC program: 1. AOCs where ...
Learn how the US and Canada are working to clean up and restore 43 highly degraded shoreline areas along the Great Lakes, known as Areas of Concern (AOCs). Find out the steps, criteria, and progress of removing Beneficial Use Impairments (BUIs) and delisting AOCs.
Apr 24, 2024 · The St. Louis River AOC is one of the 31 U.S.-based Areas of Concern across the Great Lakes created under the 1987 Great Lakes Water Quality Agreement. Draining 3,634 square miles of watershed and encompassing a 1,020 square-mile area, the St. Louis River is the second largest U.S.-based AOC.
Areas of Concern are toxic hotspots along the Great Lakes shorelines that have been impaired by human activities. Learn how the U.S. Fish & Wildlife Service and partners are working to restore habitats, fish and wildlife populations, and delist these areas.
Feb 3, 2010 · Learn the difference between a problem and an area of concern, and why it matters for policy exploration and development. An area of concern is a potential source of problems, while a problem is a specific and immediate issue that requires a solution.
Jun 7, 2020 · Here, we will discuss the top 30 environmental concerns that need to be addressed. Rapid industrialization, urbanization, and indiscriminate use of natural resources without giving much thought to conservation have led to rapid depletion and degradation worldwide.
The downstream-most section of Eighteenmile Creek, a tributary to the south shore of Lake Ontario in New York, was designated as an Area of Concern (AOC) because water quality and bed sediments were contaminated by past industrial and municipal discharges, waste disposal, and pesticide usage.
