The U.S. Environmental Protection Agency (U.S. EPA) has a page dedicated to cyanobacterial HABs, including information on health effects, causes and prevention, and state-specific resources.
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Ohio Domestic Action Plan
Updated on: June 9 2020
Ohio outlines actions to reduce phosphorus in Lake Erie.
Michigan Domestic Action Plan
Updated on: October 22 2019
Michigan outlines actions to reduce phosphorus loading to Lake Erie.
United States Action Plan
Updated on: August 14 2019
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.
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.
Indiana Domestic Action Plan
Updated on: February 13 2019
Indiana outlines actions to reduce phosphorus in Lake Erie. The button below provides the Action Plan, but for additional information on the plan development process, Indiana"s DAP website outlines these details.
Great Lakes Water Quality Agreement
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
Updated on: August 14 2019
The United States and Canada adopted phosphorus load reduction targets to combat Lake Erie algal blooms.
Great Lakes Site Prioritization Methods
Updated on: December 11 2019
This document details the method used to develop the Aquatic Invasive Species Great Lakes Site Prioritization tool.