Annex 4 – Nutrients

Annex 4 of the 2012 Great Lakes Water Quality Agreement describes the nutrient management objectives for the Great Lakes.

Great Lakes Water Quality Agreement

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...

EGLE: Lake Erie

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) webpage dedicated to Lake Erie resources.

Lake Erie Binational Phosphorus Reduction Strategy

The purpose of this Lake Erie Binational Phosphorus Reduction Strategy is to describe the framework for binational cooperation under the Great Lakes Water Quality Agreement Nutrients Annex towards the achievement of the 2016 binational phosphorus reduction...

US EPA: Lake Erie

The United States Environmental Protection Agency’s Lake Erie webpage provides history, resources, and Lakewide Action and Management Plans (LAMPs).

United States Action Plan

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.