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  2. Great Lakes Water Quality Agreement (GLWQA)

What happens next?

  • Any new assessments of HAB severity will use the updated time series for comparison.
  • While there may be minor adjustments as NOAA continues to review the data quality and processing methods, researchers do not anticipate any significant changes to the HABs severity index now that the Copernicus Sentinel 3 satellite is in place for the long term.

Great Lakes Water Quality Agreement (GLWQA)

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  • Annex 4: Lake Erie Nutrients
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Contact Us About the GLWQA
Contact Us About the GLWQA to ask a question, provide feedback, or report a problem.
Last updated on August 12, 2025
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