Lake Ecosystem Objectives
Great Lakes Water Quality Agreement
Annex 4, Section B 		Western Basin of Lake Erie Central Basin of Lake Erie
Minimize the extent of hypoxic zones in the Waters of the Great Lakes associated with excessive phosphorus loading, with particular emphasis on Lake Erie 40 percent reduction in total phosphorus entering the Western Basin and Central Basin of Lake Erie - from the United States and from Canada - to achieve 6000 MT Central Basin load
  • Thames River
  • Detroit River
  • Maumee River
  • River Raisin
  • Portage River
  • Sandusky River
  • Huron River (OH)
  • Vermilion River
  • Cuyahoga River
  • Grand River (OH)
Maintain algal species consistent with healthy aquatic ecosystems in the nearshore Waters of the Great Lakes 40 percent reduction in spring total and soluble reactive phosphorus loads from the following watersheds where localized algae is a problem:
  • Thames River
  • Maumee River
  • River Raisin
  • Portage River
  • Toussaint Creek
  • Leamington Tributaries
  • Sandusky River
  • Huron River (OH)
Maintain cyanobacteria biomass at levels that do not produce concentrations of toxins that pose a threat to human or ecosystem health in the Waters of the Great Lakes 40 percent reduction in spring total and soluble reactive phosphorus loads from the Maumee River (U.S.) N/A