This document outlines federal and state efforts to achieve the binational phosphorus load reduction targets adopted in 2016 under the Great Lakes Water Quality Agreement.
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Michigan Domestic Action Plan
Updated on: October 22 2019
Michigan outlines actions to reduce phosphorus loading to Lake Erie.
Pennsylvania Domestic Action Plan
Updated on: August 14 2019
Pennsylvania outlines actions to reduce phosphorus in Lake Erie.
Canada-Ontario Domestic Action Plan
Updated on: August 14 2019
Canada and Ontario outline actions to reduce phosphorus loading to Lake Erie.
Ohio Domestic Action Plan
Updated on: February 13 2019
Ohio outlines actions to reduce phosphorus in Lake Erie.
Indiana Domestic Action Plan
Updated on: February 13 2019
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Updated on: December 7 2018
The Great Lakes Water Quality Agreement (GLWQA), signed by Canada and the United States, is a commitment to protect the waters of the Great Lakes. It was most recently updated in 2012. Annex 4 was formed to manage phosphorus concentrations and loadings (and other nutrients if warranted) in the Great Lakes.
Final Targets for Lake Erie Phosphorus Control
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The United States and Canada adopted phosphorus load reduction targets to combat Lake Erie algal blooms.
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