International Agreements

Inventory of major international agreements related to water (inland waters, coastal waters, shared waters, regional waters, disputed water boundaries rights etc.

Law/Policy	Dates	Water Quality or Quantity	Surface or Groundwater
Boundary Water Treaty (external link, opens in new window)	Original Version: 1909 Last Amended: 2014	Both	Surface
International River Improvements Act (external link, opens in new window)	Original Version: 1955 Last Amended: 2017	Quantity	Surface
Great Lakes Water Quality Agreement (opens in new window)	Original Version: 1972 Last Amended: 2012	Quality	Both
Great Lakes Agreement and Compact (opens in new window)	2005	Quantity	Both
International River Improvements Act: Annual Report (opens in new window)	Original Version: 2008 Last Amended: 2020	Quantity	Surface
First Triennial Assessment of Progress (GLWQA) (opens in new window)	2017	Quality	Both