As part of the USDA's Natural Resources Conservation Service, the NWCC is responsible for producing and disseminating accurate and reliable water supply forecasts and other climatic data to its wide variety of users.
The U.S. Geological Survey (USGS) collects information needed to understand the Nation's water resources, and provides access to water data, publications, and maps, as well as to recent water projects and events.
ICIWaRM is closely engaged with UNESCO's Intergovernmental Hydrological Programme (IHP) and is focused on applying science and engineering to water challenges of importance to IHP and its partners.
From their website: "IWRA is a non-profit, non-governmental, international member based Association established in 1971. It provides a global, knowledge and research based forum working at the interface of science and policy for the sustainable use and management of the world’s water resources."